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		  		MARYLAND STATE HIGHWAY ADMINISTRATION           
OFFICE OF HIGHWAY DEVELOPMENT          
DESIGN TECHNICAL SERVICES DIVISION          
707 NORTH CALVERT STREET          
BALTIMORE, MARYLAND 21202          
          
October 30, 2015          
          
Contract No.: MO3515172          
F.A.P. No.: N/A          
Description: I-270 at Watkins           
Mill Road Interchange          
          
ADDENDUM NO. 1          
          
To All Purchasers of Contract Documents:          
          
Please be advised that the Bid Opening Date for this contract has been POSTPONED from          
November 5, 2015 to November 24, 2015.          
          
The attention of prospective bidders is directed to the following revisions, additions and/or           
deletions to the Invitation for Bids booklet, Contract Plans, and Cross-sections.          
          
INVITATION FOR BIDS BOOKLET          
          
Page No. Description          
          
36A-BBB ADDED Special Provision “NONTIDAL WETLANDS PERMIT”- regarding           
draft general Wetland and Waterway Permit conditions.          
          
69A ADDED Special Provision “SECTION 107 – CONSTRUCTION STAKEOUT”           
regarding stormwater management facilities.          
          
76A ADDED Special Provision “CATEGORY 200 – GEOTEXTILE INCLUSION”.          
          
76B-C ADDED Special Provision “SECTION 201 – ROADWAY EXCAVATION”.          
          
79A-B ADDED Special Provision “SECTION 204 - EMBANKMENT AND SUBGRADE”.          
          
79C ADDED Special Provision “SECTION 204.03 - EMBANKMENT AND           
SUBGRADE CONSTRUCTION”.          
          
79D ADDED Special Provision “SECTION 207 - REMOVAL OF EXISTING MASONRY”.          
          
80-82 REVISED Special Provision “CATEGORY 300 - STREAM MITIGATION PLAN”.          
          
82A ADDED Special Provision “CATEGORY 300 – MAINTENANCE OF STREAM FLOW”.          
          
INVITATION FOR BIDS BOOKLET (continued)          
          
Page No. Description          
          
86-87 REVISED Special Provision “CATEGORY 300 - FLOODPLAIN LOG SILLS”.          
          
          
88-89 REVISED Special Provision “CATEGORY 300 - CROSS ROCK VANE ROCK STRUCTURE”.          
          
90-92 REVISED Special Provision “CATEGORY 300 - TOE WOOD STRUCTURE”,           
including changing the payment from Linear Foot to Each.          
          
93-94 REVISED Special Provision “CATEGORY 300 - IN-CHANNEL LOG SILLS”.          
          
94 A-C ADDED Special Provision “CATEGORY 300 - ACCESS ROAD WITH           
CELLULAR CONFINEMENT LOAD SUPPORT SYSTEM”.          
          
94 D ADDED Special Provision “CATEGORY 300 - CLAY BACKFILL FOR CORE TRENCH”.          
          
94 E-F ADDED Special Provision “CATEGORY 300 - FILTER DIAPHRAGM”.          
          
94 G-J ADDED Special Provision “CATEGORY 300 - STORMWATER           
MANAGEMENT FACILITY AS-BUILT (AB) CERTIFICATION”.          
          
94 K-U ADDED Special Provision “CATEGORY 300 - STREAM RESTORATION           
SITE AS-BUILT CERTIFICATION AND FORM”.          
          
94 V-X ADDED Special Provision “CATEGORY 300 - STREAM RESTORATION SPECIALIST”.          
          
94 Y-AA ADDED Special Provision “CATEGORY 300 - STREAMBED UNDERLAYMENT”.          
          
94 BB ADDED Special Provision “SECTION 303 - PIPE CULVERTS”.          
          
95 A ADDED Special Provision “SECTION 305 - MISCELLANEOUS STRUCTURES”.          
          
102 A ADDED Special Provision “SECTION 308 – EROSION AND SEDIMENT           
CONTROL”, 308.01.04 Incentive Payments and Liquidated Damages.           
          
110 A ADDED Special Provision “SECTION 402 - STRUCTURE EXCAVATION”.          
          
111-112 REVISED Special Provision “SECTION 405 - REMOVAL OF EXISTING STRUCTURE”.          
          
INVITATION FOR BIDS BOOKLET (continued)          
          
Page No. Description          
          
113-115A REPLACED Special Provision “SECTION 410 - PILING”           
          
116-118 REPLACED Special Provision Insert “SECTION 410 - PILING” with Special           
Provision “ SECTION 410 – PILING” Intentionally left blank.          
          
118 A ADDED Special Provision “SECTION 419 - SUBFOUNDATION INVESTIGATION”.          
          
124 A ADDED Special Provision “SECTION 435 – CLEANING AND PAINTING           
NEW STRUCTURAL STEEL”.          
          
127-127 I REPLACED Special Provision “SECTION 450 – RETAINING WALLS”.          
          
127 J-M ADDED Special Provision “SECTION 456 - ARCHITECTURAL TREATMENT”.          
          
128 REPLACED Special Provision “SECTION 456 - ARCHITECTURAL           
TREATMENT – 456.06 RUSTIC COURSED ASHLAR STONE”.          
          
132 A-B ADDED Special Provision “SECTION 498 - SELF CONSOLIDATING CONCRETE”.          
          
156 A ADDED Special Provision “SECTION 509 - GRINDING ASPHALT PAVEMENT”.          
          
156 B-H ADDED Special Provision “SECTION 535 - PAVEMENT SURFACE PROFILE”.          
          
183-185 REVISED Special Provision “CATEGORY 700 - FLOODPLAIN/WETLAND           
SEED MIX FOR STREAM RESTORATION”.          
          
186-187 REVISED Special Provision “CATEGORY 700 - WETLAND TREE SEED           
MIX FOR STREAM RESTORATION”.          
          
188-189 REVISED Special Provision “CATEGORY 700 - UPLAND SEED MIX FOR STREAM RESTORATION”.          
          
190-191 REVISED Special Provision “CATEGORY 700 - SOIL STABILIZATION           
MATTING FOR STREAM RESTORATION”.          
          
192-193A REVISED Special Provision “CATEGORY 700 - SHADED WETLAND SEED           
MIX FOR STREAM RESTORATION”.          
          
194-196 REVISED Special Provision “CATEGORY 700 - LIVE FASCINES FOR           
STREAM RESTORATION”.          
          
          
INVITATION FOR BIDS BOOKLET (continued)          
          
Page No. Description          
          
196 A-B ADDED Special Provision “CATEGORY 700 - VEGETATION PROTECTION FENCE”.          
          
265 A-C ADDED Special Provision “CATEGORY 800 - AUDIBLE PEDESTRIAN           
PUSHBUTTON STATION AND SIGNS”.          
          
265 D-E ADDED Special Provision “CATEGORY 800 - SIGN LUMINAIRES”.          
          
267 A-C ADDED Special Provision “CATEGORY 806 - LUMINAIRES AND LAMPS”.          
          
          
300 A-B ADDED Special Provision “SECTION 902 - PORTLAND CEMENT           
CONCRETE AND RELATED PRODUCTS”.          
          
300 C ADDED Special Provision “SECTION 902.17 - PORTLAND CEMENT           
CONCRETE AND RELATED PRODUCTS – SELF CONSOLIDATING CONCRETE (SCC)”.          
          
365-356A ADDED Special Provision “SECTION 950.12 - LUMINAIRES AND LAMPS”.          
          
389A-B ADDED Submittal Instructions and Addendum Receipt Verification form.          
          
SCHEDULE OF PRICES          
          
Note: Due to numerous additions, deletions, and revisions and to ensure clarity, the Schedule of           
Prices has been replaced in its entirety. For your convenience, the NEW Schedule of Prices has           
been posted on the SHA Web site at www.roads.maryland.gov, under the “Business Center”           
page, under “Contracts, Bids & Proposals – Construction Contracts – Project Quantities.”          
          
Page No. Description          
          
391-467D These pages have been replaced in their entirety.          
          
CONTRACT PLANS          
          
Sheet No. Description          
          
1 ADDED Revision note to “TITLE SHEET.”          
          
2 REVISED “Index of Sheets”.          
          
ADDED note for revised sheets.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
4 REVISED sheet by revising lane width in second typical, adding traffic barrier to           
third typical, and revising Note 1.          
          
5 REVISED sheet by clarifying stationing in fifth typical, changing concrete barrier           
from median to single face in last typical, and revising Note 1.          
          
6 REVISED sheet by adding concrete barrier in front of Wall # 8 in second typical,           
revising lane width in ninth typical, pavement detail type in tenth typical and           
revising Note 1.          
          
7-9 REVISED Note 1.          
          
19 REVISED elevations along intersection curb line, side of bridge and retaining           
walls in coordination with Structure Plans.          
          
ADDED note to see Structure/Ramp interface details.          
          
27 REVISED sheet by updating Level 3 duct bank.          
          
REMOVED MH-2-3, MH 2-4, revised I-2-10, I-2-11, and proposed 18” RCP.          
          
28 REVISED proposed water and sewer lines, updated Level 3 duct bank, and           
updated cut and fill limits.          
          
29 REVISED Level 3 duct bank, plunge pool label off of ES-4-2.          
          
ADDED MH-4-2A and 8 LF of proposed 24” RCP.          
          
ADDED Parking Lot reconstructions Left of I-270 NB On-Ramp.          
          
ADDED 42” F-Shape Concrete Barrier-Single Face Type 2. NB-On Ramp Sta.           
205+82 RT to Sta. 204+69 RT.          
          
REVISED W-Beam Barrier using 6’ Ft post from Sta. 206+00 to Sta. 208+00 LT.          
          
REVISED Type K Traffic Barrier end Treatment to Sta 208+00.          
          
30 REVISED sheet by clarifying end of shoulder prior to I-5-3, updated bridge           
interface with SB ON Ramp tie-in, clarified various labels & dimensions, revised           
curve labels, updated proposed Level 3 duct.           
          
REVISED I-5-5A and I 5-5.          
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
30 REMOVED I-5-5C, I-5-5D, proposed 24” RCP in the median, and removed the           
abandon pipe hatching from the existing 36” RCP section from the median of I-270 to EX-MH-5-1.           
          
ADDED JB-5-1, JB-5-2, 6 LF proposed 24” RCP from I-5-5 to JB-5-2, and 145           
LF proposed 24” RCP from JB-5-2 to JB-5-1.          
          
31 REVISED curve labels, updated proposed water, sewer and Level 3 lines, revised           
note on F-shape concrete barrier-Type 2, added note on F-shape concrete barrier-          
Type 3, added note on curb and gutter, added Inlet-7-1 at Sta 1621+45 Rt.          
          
REVISED curve labels, updated proposed water, sewer and Level 3 lines, revised           
note on F-shape concrete barrier-Type 2, added note on F-shape concrete barrier-          
Type 3, added note on curb and gutter, added Inlet-7-1 at Sta 1621+45 Rt.          
          
32 REVISED sheet by eliminating Inlet-7-1, updated proposed sewer and water           
lines, and Level 3 duct bank.          
          
33 REVISED sheet by updating proposed water line and Level 3 duct bank.           
          
34 REVISED sheet by revising label for slope stabilization, updated water line, and           
deleted note on Class I Riprap.          
          
35 REVISED sheet by updating water and sewer line and deleting erroneous text.          
          
36 ADDED Note for Mix No 2 Concrete.          
          
80 REMOVED profile I-2-10 to MH-2-3.          
          
REVISED stations for profile MH-3-1A to ES-3-3.          
          
REMOVED MH-2-4 and MH-2-3, ADDED I-2-10, and REVISED top           
elevations, pipe lengths, inverts in, inverts out, slopes, Q10, V10, and 25-yr HGL           
in profile I-2-11 to EX-I-2-3.           
          
81 REVISED I-4-3 top elevation.          
          
ADDED MH-4-2A, top elevation, and inverts in and out to profile ES-4-2.          
          
ADDED proposed 24” RCP between MH-4-2A and ES-4-2 with pipe length,           
size, material, slope, Q10, V10, and 25-yr HGL.          
          
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
81 REVISED profile title to “I-270 STORMDRAIN FROM I-270 MH-4-2A TO           
ES-4-2 STA.269+57”.          
          
REVISED existing and proposed ground lines.          
          
REVISED existing 24” RCP pipe length, slope, Q10, V10, and 25-yr HGL.           
          
REVISED top elevation for I-4-8 in profile I-4-8 to EX-I-4-8. ADDED “BS-8A,           
6” CPP-S, INV. 377.33” pipe and label to I-4-8.           
          
REVISED Q10 and V10 in profile I-4-9 to MH-5-2.          
          
82 REVISED top elevation and invert in for I-9-4.          
          
REVISED pipe slope and V10 for proposed 24” RCP between I-9-4 and MH-9-2.          
          
REVISED proposed ground line for profile I-9-4 to MH-9-2.          
          
REVISED top elevation for I-9-3.          
          
ADDED “BS-6C UNDERDRAIN, 6” CPP-S, INV. 350.33” pipe and label to I-          
9-3 for profile I-10-6 to MH-9-2.          
          
REVISED profile title to “I-270 STORMDRAIN FROM I-270 SB OFF RAMP           
I-10-6 TO MH-9-2 STA.807+73 TO STA.808+15”.          
          
ADDED “BS-6A UNDERDRAIN, 6” CPP-S, INV. 363.33” pipe and label to I-          
10-1 to profile I-10-5 to MH-10-1.          
          
REVISED the riprap dimensions in profile I-10-4 to EW-10-1.          
          
ADDED I-9-6 and REVISED inverts in and out, pipe length, slope, Q10, V10,           
25-yr HGL, proposed ground line, and riprap dimensions to profile I-9-5 to ES-9-3.          
          
REVISED station “STA.810+46 TO STA.810+62”.           
          
83 REVISED profile for I-5-5 to EX-I-4-9.           
          
REMOVED I-5-5C and EX-I-4-9 and ADDED JB-5-2, JB-5-1, and EX-MH-5-1.           
          
REVISED profile title to “I-270 STORMDRAIN FROM I-270 I-5-5 TO EX-          
MH-5-1 STA.261+58 TO STA.263+08”.           
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
83 REVISED inverts, top elevations, pipe lengths, slopes, Q10, V10, and existing ground.          
          
DDED 25-yr HGL.          
          
ADDED bio-swale footprint, “BS-8A FOOTPRINT”, to profile EW-5-1 to I-5-2.          
          
84 ADDED Q10 and V10 for all storm pipes.           
          
85 ADDED Q10 and V10 for all storm pipes.          
          
ADDED storm drain profile from EX-Pipe to I 11-1.          
          
ADDED storm drain profile from EX-Pipe to I 11-2.          
          
86 ADDED Q10 and V10 for all storm pipes.           
          
87 ADDED Q10 and V10 for all storm pipes.           
          
88 ADDED riprap at EW-9-2 to Box Culvert Plan View.          
          
89 DELETED dissimilar pipe connection detail.          
          
REVISED side tapered inlet label.           
          
REVISED dissimilar pipe connection CMP to RCP label.          
          
REVISED riprap protection label.          
          
90 ADDED Clearance dimension between BS-14A bottom to the top of the 10x 10 culvert.          
          
REVISED riprap protection detail label.          
          
91 REMOVED structure I-5-5C & I-5-5D, MH-2-3, and MH-2-4.          
          
ADDED structures I-9-6 and MH-4-2A.          
          
REVISED Total Depth (LF) and Vertical Depth (LF) for Structures: I-5-5&I-5-          
5A, I-9-3, I-9-5, I-10-1, MH-3-1, MH-9-2, and MH-10-1.          
          
REVISED Remarks for Structure I-9-5.          
          
92 ADDED JB-5-1 and JB-5-2 to Drainage Structure Schedule.           
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
92 ADDED EX-I-2-8 to Removal of Existing Masonry Schedule.          
          
REMOVED bulkhead for structure EX-MH-5-1 in Brick Masonry for Structures.           
          
ADDED a Bulkhead for EX-MH-3-1 (W) in the Brick Masonry for Structures Schedule.          
          
REVISED Structure To ID, Offset From (LF), Offset To (LF), and Qty. (CY) for           
EX-HW-5-1 in Flowable Backfill for Pipe Abandonment.           
          
93 REMOVED 18” RCP to and from MH-2-3 and MH-2-4 from schedule.          
          
REVISED proposed 24” RCP to connect I-2-11 to I-2-10, 145 LF.          
          
REVISED proposed 24” RCP to connect I-2-10 to MH-2-9, 40 LF.          
          
ADDED 8 LF 24” RCP from MH-4-2A to ES-4-2.          
          
REMOVED 114 LF 24” RCP from I-5-5C/I-5-5D to EX-I-4-9.           
          
REVISED 39 LF 24” RCP ‘FROM I-9-5 TO ES-9-3’ to 43 LF 24” RCP ‘FROM           
I-9-5 TO I-9-6’ and 31 LF 24” RCP ‘FROM I-9-6 TO ES-9-3’.          
In Removal of Existing Pipe Schedule:           
          
ADDED additional quantity for existing pipe form EX-HW-5-1.          
          
94 REVISED length and quantity for riprap at 12x6 Box Culvert to 30 LF and 100 sy.          
          
95 REVISED concrete collar detail note.           
          
96 REVISED sheet by deleting detail for modified triple WR inlet           
          
96A ADDED sheet DD-06A to include modified details for structures that exceed           
standard maximum depth.          
          
97 REVISED riprap at EW-9-2.          
          
REVISED proposed 24” RCP, ES-9-3, and slope stabilization riprap at ES-9-3           
and updated the quantity in the CLASS I RIPRAP schedule.          
          
ADDED I-9-6, REMOVED spillway from bio-swale, and adjusted underdrain           
within facility.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
97 REVISED proposed slope stabilization at the outfall from the conveyance ditch           
and updated the quantity in the CLASS I RIPRAP schedule.          
          
ADDED a check dam in bio-swale 4A and revised spacing of check dams in facility.          
          
REVISED check dam number in dimension table.          
          
REMOVED “TOPSOIL CHECK DAMS”, “6 INCH CIRCULAR PIPE           
UNDERDRAIN (TO OUTLET)”, and “TURFGRASS SOD           
ESTABLISHMENT” in Quantity Notes.          
          
ADDED “LOWLAND MEADOW ESTABLISHMENT” and “TYPE D SOIL           
STABILIZATION MATTING”.          
          
REVISED BMP ID in bio-swale 4A dimension table and plan label to include           
“SHA BMP ID: 150954”.          
          
REVISED Elevation for No.’s 6, 7, 8, 11, 12, and 13 to 352.00, 352.30, 352.30,           
353.80, 353.80, and 354.00, respectively, in Facilities Grading Table.          
          
REVISED Width to “Varies”, High Pt North CN to 354.00, Swale Slope North to           
0.009, Swale Slope South to 0.008, and Subdrain Inv. Out to 348.08 in           
Dimensions Table.           
          
REVISED offset in 6 INCH CIRCULAR PIPE UNDERDRAIN           
(CLEANOUTS) schedule.          
          
98 REVISED BMP ID in bio-swale 6C dimension table and plan sheet label to           
include “SHA BMP ID: 150956”.          
          
REVISED check dam spacing in bio-swale 6C. ADDED one additional check           
dam in front of on-grade inlet at downstream end.          
          
REVISED BSM Top Elevation to 365.00, Facility Bottom Elevation to 360.33,           
Swale Slope to 0.040, and Check Dam Number to 7 in Dimensions Table.          
          
REMOVED “TOPSOIL CHECK DAMS” and “TURFGRASS SOD           
ESTABLISHMENT” in Quantity Notes.          
          
ADDED “LOWLAND MEADOW ESTABLISHMENT” and “TYPE D SOIL           
STABILIZATION MATTING”.           
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
99 REVISED BMP ID in grass swale 6D dimension table and plan sheet label to           
include “SHA BMP ID: 150967”.          
          
REVISED Elevation for No.’s 27 and 28 to 358.75 in Facilities Grading Table.          
          
100 REVISED BMP ID in bio-swale 6A dimension table and plan sheet label to           
include “SHA BMP ID: 150955”.          
          
ADDED a check dam to facility BS-6A and revised spacing of check dams in facility.          
          
REVISED Elevation for No.’s 9 and 10 to 367.50 in Facilities Grading Table.          
          
REVISED BSM Top Elevation to 367.50, Facility Bottom Elevation to 362.83,           
Swale Slope to 0.038, Subdrain Inv. Out to 363.83, and Check Dam Number to 8           
in Dimensions Table.          
          
REMOVED “TOPSOIL CHECK DAMS” and “TURFGRASS SOD           
ESTABLISHMENT” in Quantity Notes.          
          
ADDED “LOWLAND MEADOW ESTABLISHMENT” and “TYPE D SOIL           
STABILIZATION MATTING”.          
          
101 REVISED BMP ID in grass swale 7A dimension table and plan sheet label to           
include “SHA BMP ID: 150968”.          
          
102 REVISED BMP ID in bio-swale 8A dimension table and plan sheet label to           
include “SHA BMP ID: 150957”.          
          
ADDED a check dam to facility BS-8A and revised spacing of check dams in           
facility.          
          
REVISED Check Dam Number to 10 in Dimensions Table.          
          
REMOVED “TOPSOIL CHECK DAMS” and “TURFGRASS SOD           
ESTABLISHMENT” in Quantity Notes.          
          
ADDED “LOWLAND MEADOW ESTABLISHMENT” and “TYPE D SOIL           
STABILIZATION MATTING”.          
          
103 ADDED BMP IDs for bio-swale 11A and 11C in the title and bio-swale           
dimensions table.           
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
103 REVISED check dam spacing for bio-swale 11A and 11C in the title and           
bio-swale dimensions table.           
          
REVISED check dam number for bio-swale 11A in the title and bio-swale           
dimensions table.           
          
REVISED bio-swale length for bio-swale 11C in the title and bio-swale           
dimensions table.           
          
REVISED bio-swale length for bio-swale 11C in the call out label in the           
plan view.          
          
REVISED quantities of “BIORETENTION SOIL MIX” for bio-swale 11C in           
quantity notes.          
          
REVISED quantities of “COARSE SAND FOR SWM FACILITIES” for bio-          
swale 11C in quantity notes.          
          
REVISED quantities of “NO 7 AGGREGATE FOR SWM FACILITIES” for           
bio-swale 11C in quantity notes.          
          
REVISED quantities of “NO 57 AGGREGATE FOR SWM FACILITIES” for           
bio-swale 11C in quantity notes.          
          
REVISED quantities of “6 INCH PERFORATED CIRCULAR PIPE           
UNDERDRAIN” for bio-swale 11C in quantity notes.          
          
REVISED quantities of “TOPSOIL CHECK DAMS” for bio-swale 11A in           
quantity notes.          
          
REVISED quantities of “CLASS II EXCAVATION” for bio-swale 11C in           
quantity notes.          
          
REPLACED “Turfgrass SOD Establishment” with “Lowland Meadow           
Establishment” in quantity notes.          
          
ADDED “Type ‘D’ Soil Stabilization Matting” in quantity notes.           
          
104 ADDED BMP IDs for bio-swale 11B and 11D in the title and bio-swale           
dimensions table.           
          
REVISED check dam numbers in bio-swale dimensions table and quantity notes           
for Bio-swale-11B.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
104 REPLACED “Turfgrass SOD Establishment” with “Lowland Meadow           
Establishment” in quantity notes.          
          
ADDED “Type ‘D’ Soil Stabilization Matting” in quantity notes.           
          
105 ADDED BMP IDs for bio-swale 12A. B and C in the title and bio-swale           
dimensions table.           
          
REPLACED “Turfgrass SOD Establishment” with “Lowland Meadow           
Establishment” in quantity notes.          
          
ADDED “Type ‘D’ Soil Stabilization Matting” in quantity notes.           
          
REVISED check dam label leaders.           
          
106 ADDED BMP IDs for bio-swale 14A in the title and bio-swale dimensions table.           
          
REPLACED “Turfgrass SOD Establishment” with “Lowland Meadow           
Establishment” in quantity notes.          
          
ADDED “Type ‘D’ Soil Stabilization Matting” in quantity notes.           
          
107 ADDED BMP IDs for bio-swale 14B in the title and bio-swale dimensions table.           
          
REPLACED “Turfgrass SOD Establishment” with “Lowland Meadow           
Establishment” in quantity notes.          
          
ADDED “Type ‘D’ Soil Stabilization Matting” in quantity notes.           
          
108 ADDED label for Bio-swale enhance filter layer depth in bio-swale profile.          
          
REPLACED label for bio-swale topsoil surface establishment “turfgrasss sod           
establishment” with type “D” matting and lowland meadow establishment in bio-          
swale profile.           
          
ADDED dimension for the water quality water surface limits on both sides in bio-          
swale typical section.          
          
REPLACED label for bio-swale topsoil surface establishment “turfgrasss sod           
establishment” with type “D” matting and lowland meadow establishment in bio-          
swale typical section.           
          
ADDED dimension for the water quality water surface limits on both sides in bio-          
swale typical section at check dam.          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
108 REPLACED label for bio-swale topsoil surface establishment “turfgrasss           
sod establishment” with type “D” matting and lowland meadow establishment in           
bio-swale typical section at check dam.           
          
REPLACED label for bio-swale topsoil surface establishment “turfgrasss sod           
establishment” WITH type “D” matting and lowland meadow establishment in           
check dam profile.          
          
109 REVISED labels for BR-6B to include “BMP ID: 150951” and vertical scale           
label to 1”=4’.          
          
REVISED profile along bio retention facility BR-6B.          
          
REVISED elevations and riprap in profile.          
          
ADDED 10 yr. and 100 yr. elevations to the profile.          
          
REVISED “BIORETENTION BR-6B SUBDRAIN SCHEDULE” to           
“BIORETENTION BR-6B UNDERDRAIN SCHEDULE”.          
          
110 REVISED labels for BR-10A to include “BMP ID: 150952” and vertical scale           
label to 1”=4’.          
          
REVISED profile for bio retention facility BR-10A.           
          
REVISED Bottom of Facility Elevation          
          
REVISED “6” SUBDRAIN” to “6” UNDERDRAIN (PERFORATED)”.          
          
REVISED “BIORETENTION BR-10A SUBDRAIN SCHEDULE” to           
“BIORETENTION BR-10A UNDERDRAIN SCHEDULE”.          
          
REVISED “6 INCH CIRCULAR PIPE UNDERDRAIN OUTLETS” Schedule           
from 15 LF to 5 LF for each quantity.          
          
111 ADDED 6 INCH PERFORATED CIRCULAR PIPE UNDERDRAIN in           
quantity notes.           
          
ADDED 10 year water surface elevation in the profile along baseline bio-retention 12A.          
          
ADDED BMP ID 150953 to the plan view title.          
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
111 REVISED label 6” subdrain to 6” underdrain (Perforated) in the profile along           
baseline bio-retention.          
          
112 ADDED BMP IDs shallow wetland sw-12D in the plan view title.           
          
113 REVISED water surface elevations for 2-, 10- and 100 year in the shallow           
wetland 12-D profile thru spillway and embankment cross section.           
          
REVISED water surface elevations for 10 year in the shallow wetland 12-          
D profile along C of embankment.          
          
REVISED Q10 and V10 at the 42” RCP.           
          
REVISED riprap protection label.          
          
114 ADDED concrete cradle detail title.           
          
REMOVED plunge pool Detail D-4-2.          
          
115 REVISED Bioretention 6B Detail. ‘35” NO. 2 AGGREGATE’ revised to’50”           
NO. 2 AGGREGATE’.          
          
REMOVED BIOSWALE 4A SPILLWAY DETAIL.          
          
117 REVISED BMP Numbers in As-Built Tables.          
          
REVISED sheet title to “BMP AS-BUILT CERTIFICATION SHEET”.          
          
REVISED Filter Bed Area (L x W) to 2609 SF, Filter Inlet Pipe Size to 24, Filter           
Inlet Pipe Elevation to 347.78, Outlet Pipe (Subdrain) Elevation to 348.08, and           
Number of Check Dams to 7 for BMP 150954 (BS-4A).          
          
REVISED Outlet Pipe (Subdrain) Elevation to 363.83 and Number of Check           
Dams to 8 for BMP 150955 (BS-6A).          
          
REVISED Number of Check Dams to 7 for BMP 150956 (BS-6C).          
          
REVISED Number of Check Dams to 10 for BMP 150957 (BS-8A).          
          
ADDED facility numbers and MDE numbers in the As-Built Certification block.          
          
118 REVISED BMP Numbers in As-Built Tables.           
          
REVISED sheet title to “BMP AS-BUILT CERTIFICATION SHEET”.          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
118 REVISED Forebay Volume to 940 CF for BR-6B.          
          
REVISED Forebay Area (L x W) to 38.9 x 16 and Forebay Area to 622 SF for           
BR-10A.          
          
119 ADDED BMP ID to all proposed BMP facilities.           
          
120 ADDED BMP ID to all proposed BMP facilities          
          
121 ADDED Note 4. In areas where suitable growth medium for vegetation           
establishment is not present, contractor will over excavate no more than 6”,           
replace with 6” salvaged topsoil and grade to lines and grades as shown in           
contract documents.          
          
133 REVISED Fascines to Live Fascines in schedule table.          
          
ADDED Sewer, Water and Easements onto Plan.          
          
REVISED outfall protection for ES 3-1.          
          
REVISED outfall protection from clean water diversion ditch at 47+80, LT along           
proposed stream alignment.          
          
134 REVISED Fascines to Live Fascines in schedule table.          
          
ADDED Sewer, Water and Easements onto Plan.          
          
REVISED outfall protection for ES 3-3.          
          
REVISED outfall protection for ES 4-1.          
          
REVISED outfall protection for ES 4-2.          
          
REMOVED view of 6’x12’ Box Culvert and REMOVED nomenclature for structure.          
          
135 REVISED Fascines to Live Fascines in schedule table.          
          
ADDED Sewer, Water and Easements onto Plan.          
          
REVISED outfall protection for ES 4-3.          
          
REVISED outfall protection for ES 5-1.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
136 REVISED Fascines to Live Fascines in schedule table.          
          
ADDED Sewer, Water and Easements onto Plan.          
          
REMOVED ES 5-4 from Plans. Constructed in later Construction Stage.          
          
REVISED Fascines to Live Fascines in schedule table.          
          
ADDED Sewer, Water and Easements onto Plan.          
          
137 REVISED name for outfall protection ES 6-1 to ES 6-2. REVISED outfall           
protection for ES 6-2.          
          
REVISED outfall protection for EW 6-1.          
          
ADDED Sewer, Water and Easements onto Plan.          
          
REVISED outfall protection for ES 6-3.          
          
138 REMOVED EW 6-2 and storm drain facility from Plans. Constructed in later           
Construction Stage.          
          
139 ADDED Sewer, Water and Easements onto Plan.          
          
142 ADDED Plunge Pool ES 4-2 as a Typical Detail to Plans.          
          
143 ADDED Sewer, Water and Easements onto Plan.          
          
REVISED Stream Landscape Plan including the addition of a Floodplain Tree           
Plant Schedule, and revisions to the remainder of the tree, shrub, and seed mix           
schedules, quantities, species type, and planting areas as shown in planview.          
          
REVISED Live Fascine Plant Schedule, Sandbar willow species changed from           
Salix exigua to Salix interior Rowlee.          
          
ADDED Note 5. “FLOODPLAIN TREE PLANTINGS DO NOT RECEIVE           
VEGETATION PROTECTION FENCE.”          
          
REVISED Legend to reflect appropriate planting schedule.          
          
144 ADDED Sewer, Water and Easements onto Plan.          
          
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
144 REVISED Stream Landscape Plan including the addition of a Floodplain Tree           
Plant Schedule, and revisions to the remainder of the tree, shrub, and seed mix           
schedules, quantities, species type, and planting areas as shown in planview.          
          
REVISED Live Fascine Plant Schedule, Sandbar willow species changed from           
Salix exigua to Salix interior Rowlee.          
          
REVISED Toe Wood/Live Fascine Plant Schedule, Sandbar willow species           
changed from Salix exigua to Salix interior Rowlee.          
          
ADDED Note 5. “FLOODPLAIN TREE PLANTINGS DO NOT RECEIVE           
VEGETATION PROTECTION FENCE.”          
          
REVISED Legend to reflect appropriate planting schedule.          
          
145 ADDED Sewer, Water and Easements onto Plan.          
          
REVISED Stream Landscape Plan including the addition of a Floodplain Tree           
Plant Schedule, and revisions to the remainder of the tree, shrub, and seed mix           
schedules, quantities, species type, and planting areas as shown in planview.          
          
REMOVED Wetland Shrub Plant Schedule from Plan.          
          
REVISED Live Fascine Plant Schedule, Sandbar willow species changed from           
Salix exigua to Salix interior Rowlee.          
          
REVISED Toe Wood/Live Fascine Plant Schedule, Sandbar willow species           
changed from Salix exigua to Salix interior Rowlee.          
          
ADDED Note 5. “FLOODPLAIN TREE PLANTINGS DO NOT RECEIVE           
VEGETATION PROTECTION FENCE.”          
          
REVISED Legend to reflect appropriate planting schedule.          
          
146 ADDED Sewer, Water and Easements onto Plan.          
          
REVISED Stream Landscape Plan including the addition of a Floodplain Tree           
Plant Schedule, and revisions to the remainder of the tree, shrub, and seed mix           
schedules, quantities, species type, and planting areas as shown in planview.          
          
REVISED Live Fascine Plant Schedule, Sandbar willow species changed from           
Salix exigua to Salix interior Rowlee.          
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
146 REVISED Toe Wood/Live Fascine Plant Schedule, Sandbar willow species           
changed from Salix exigua to Salix interior Rowlee.          
          
ADDED Note 5. “FLOODPLAIN TREE PLANTINGS DO NOT RECEIVE           
VEGETATION PROTECTION FENCE.”          
          
REVISED Legend to reflect appropriate planting schedule.          
          
REMOVED ES 5-4 from plans. This outfall structure gets constructed in a later           
Construction Stage.          
          
147 ADDED Sewer, Water and Easements onto Plan.          
          
REVISED Stream Landscape Plan including the addition of a Floodplain Tree           
Plant Schedule, and revisions to the remainder of the tree, shrub, and seed mix           
schedules, quantities, species type, and planting areas as shown in planview.          
          
REVISED Live Fascine Plant Schedule, Sandbar willow species changed from           
Salix exigua to Salix interior Rowlee.           
          
ADDED Note 5. “FLOODPLAIN TREE PLANTINGS DO NOT RECEIVE           
VEGETATION PROTECTION FENCE.”          
          
REVISED Legend to reflect appropriate planting schedule.          
          
REMOVED Wetland Shrub Plant Schedule from Plan.          
          
148 ADDED Sewer, Water and Easements onto Plan.          
          
REVISED Stream Landscape Plan including the addition of a Floodplain Tree           
Plant Schedule, and revisions to the remainder of the tree, shrub, and seed mix           
schedules, quantities, species type, and planting areas as shown in planview.          
          
REVISED Live Fascine Plant Schedule, Sandbar willow species changed from           
Salix exigua to Salix interior Rowlee.          
          
REVISED Toe Wood/Live Fascine Plant Schedule, Sandbar willow species           
changed from Salix exigua to Salix interior Rowlee.          
          
ADDED Note 5. “FLOODPLAIN TREE PLANTINGS DO NOT RECEIVE           
VEGETATION PROTECTION FENCE.”          
          
REVISED Legend to reflect appropriate planting schedule.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
148 REMOVED EW 6-2 and storm drain facility from plans. This outfall structure           
gets constructed in a later Construction Stage.          
          
149 ADDED Sewer, Water and Easements onto Plan.          
          
REVISED Stream Landscape Plan including the addition of a Floodplain Tree           
Plant Schedule, and revisions to the remainder of the tree, shrub, and seed mix           
schedules, quantities, species type, and planting areas as shown in planview.          
          
REVISED Live Fascine Plant Schedule, Sandbar willow species changed from           
Salix exigua to Salix interior Rowlee.          
          
ADDED Note 5. “FLOODPLAIN TREE PLANTINGS DO NOT RECEIVE           
VEGETATION PROTECTION FENCE.”          
          
REVISED Legend to reflect appropriate planting schedule.          
          
150 REVISED Wetland Shrub Plant Schedule (TOTAL) quantities from 1,449           
wetland shrubs to 125 wetland shrubs for Stream Landscaping.          
          
REVISED Upland Tree Plant Schedule (TOTAL) quantities from 576 trees to 485           
trees for Stream Landscaping.          
          
REVISED Upland Shrub Plant Schedule (TOTAL) quantities from 3,570 upland           
shrubs to 2,943 upland shrubs for Stream Landscaping.          
          
ADDED Floodplain Tree Plant Schedule (TOTAL) of 3,174 tree seedlings for           
Stream Landscaping.          
          
REVISED Live Fascine Plant Schedule, Sandbar willow species changed from           
Salix exigua to Salix interior Rowlee.          
          
REVISED Toe Wood/Live Whip Plant Schedule, Sandbar willow species           
changed from Salix exigua to Salix interior Rowlee.          
          
REVISED Schedule quantities.          
          
160 REVISED MDE notification notes.          
          
REVISED legend detail for proposed storm drain constructed in previous stage.          
          
REVSIED Work Zone table to show E&S Stages.          
          
161 REVISED general note 5 and 7 of temporary haul/access road.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
161 REVISED general note 17.          
          
ADDED general note 19.          
          
REVISED sequence of construction of stage III.          
          
ADDED BMPs note.          
          
168 ADDED type of material for impervious sheeting.          
          
REVISED sequence of construction for 6’X12’ box culvert.          
          
169 REVISED plan to show wetland and wetland buffer darker.          
          
171 REVISED plan to show wetland and wetland buffer darker.          
          
173 REVISED storm drain layout from EX-MH 7-2 to ES 7-1.          
          
ADDED type of material for impervious sheeting. Revised material callout for           
temporary diversion pipe.          
          
174 ADDED labels for temporary drainage structures.          
          
ADDED quantity notes for temporary diversion pipe TDP 008-1, temporary           
manhole MH 008-1, and temporary riser structure TRS 008-1.          
          
REVISED note 2 of the sequence of construction.          
          
ADDED structure information note for temporary manhole.          
          
177 REVISED MH 6-3 to MH 6-5 in sequence of construction.          
          
179 ADDED sequence of construction.          
          
180 REVISED storm drain from end section ES 9-3 to inlet I 9-5.          
          
192 REVISED the drainage area for at grade inlet protection AGIP 204-2 and AGIP           
204-3 under quantity notes.          
          
ADDED temporary riser structure TRS 204-1.          
          
193 DELETED at grade inlet protection AGIP 205-1, AGIP 205-2, AGIP 205-3, and           
AGIP 205-4.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
193 DELETED inlet I 5-5C and I 5-5D.          
          
ADDED junction box JB 5-1 and JB 5-2.          
          
194 ADDED type of material for impervious sheeting.          
          
195 REVISED phased LOD in Sta. 1626+00 RT.          
          
197 REVISED storm drain layout from ES 9-3 to inlet I 9-5.          
          
201 REVISED storm drain pipes from MH 2-9 to I 2-11.          
          
204 DELETED inlet I 5-5D and I 5-5C.          
          
ADDED junction box JB 5-1 and JB 5-2.          
          
208 REVISED storm drain from end section ES 9-3 to inlet I 9-5.          
          
211 DELETED at grade inlet protection AGIP 205-1, AGIP 205-2, AGIP 205-3, and           
AGIP 205-4.          
          
DELETED inlet I 5-5C and I 5-5D.          
          
ADDED junction box JB 5-1 and JB 5-2.          
          
216 REVISED turfgrass establishment to upland and lowland meadow establishment.          
          
217-222 REVISED turfgrass establishment to upland and lowland meadow establishment.          
          
REVISED bioswale plantings to lowland meadow establishment.          
          
223 REVISED turfgrass establishment to upland and lowland meadow establishment.          
          
REVISED bioswale plantings to lowland meadow establishment.          
          
REVISED grassswale plantings to turfgrass establishment.          
          
228 REVISED turfgrass establishment to upland and lowland meadow establishment.          
          
REVISED bioswale plantings to lowland meadow establishment.          
          
REVISED grassswale plantings to turfgrass establishment.          
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
229 REPLACED sheet. Added structure numbers and listed removal of existing           
small structures.          
          
230 REPLACED sheet. Structure S1.          
          
REVISED the Parking Lot plan and added the SHA structure number in title block.          
          
231 REPLACED sheet. Structure S1.          
          
ADDED the SHA structure number in title block.          
          
232-233 REPLACED sheets. Structure S1.          
          
REVISED the Parking Lot plan and added the SHA structure number in title block.          
          
234 REPLACED sheet. Structure S1.          
          
ADDED the SHA structure number in title block and note to “Section Coping Detail.”          
          
235-240 REPLACED sheets. Structure S1.          
          
ADDED the SHA structure number in title block.          
          
241-242 REPLACED sheets. Structure S2.          
          
ADDED the SHA structure number in title block.          
          
243-244 REPLACED sheets. Structure S2.          
          
REVISED the top of wall profile and added the SHA structure number in title block.          
          
245 REPLACED sheet. Structure S2.          
          
ADDED the SHA structure number in title block.          
          
246 REPLACED sheet. Structure S2.          
          
Revised the conveyance ditch detail in the wall section and added the SHA           
structure number in title block.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
247 REPLACED sheet. Structure S2.          
          
Added the SHA structure number in title block and note to “Section Coping Detail.”          
          
248-255 REPLACED sheets. Structure S2.          
          
ADDED the SHA structure number in title block.          
          
256-262 REPLACED sheets. Structure S3.          
          
R EVISED the wall length and Section A-A.          
          
ADDED the SHA structure number in title block.          
          
263-266 REPLACED sheets. Structure S3.          
          
REVISED the retaining wall details and added the SHA structure number in title block.          
          
267-275 REPLACED sheets. Structure S3.          
          
ADDED the SHA structure number in title block.          
          
276-277 REPLACED sheets. Structure S4.          
          
ADDED the SHA structure number in title block and updated the General Plan           
and Elevation and General Notes.           
          
278 REPLACED sheet. Structure S4.          
          
ADDED the SHA structure number in title block and updated the Hydrologic           
and Hydraulic Data.           
          
279 REPLACED sheet. Structure S4.          
          
ADDED the SHA structure number in title block and updated the Geometric Layout.           
          
280-284 REPLACED sheets. Structure S4.          
          
ADDED the SHA structure number in title block and updated Abutment A plans.           
          
285-288 REPLACED sheets. Structure S4.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
285-288 ADDED the SHA structure number in title block and updated Abutment B plans.           
          
288A NEW sheet. Structure S4.          
          
ADDED Abutment B Corner Details.          
          
289 REPLACED sheet. Structure S4.          
          
ADDED the SHA structure number in title block and updated Abutment B           
Typical Sections.           
          
290-292 REPLACED sheets. Structure S4.          
          
ADDED the SHA structure number in title block and updated Wing Wall plans.           
          
293-296 REPLACED sheets. Structure S4.          
          
ADDED the SHA structure number in title block and updated Pier plans.          
          
297-306 REPLACED sheets. Structure S4.           
          
ADDED the SHA structure number in title block and updated Bridge           
Superstructure plans.          
          
307-308 REPLACED sheets. Structure S4.          
          
ADDED the SHA structure number in title block and updated Finished Deck           
Elevations plans.          
          
309-311 REPLACED sheets. Structure S4.          
          
309-311 ADDED the SHA structure number in title block.          
          
311A NEW sheet. Structure S4.          
          
ADDED Fence Post Spacing Details.          
          
312-315 REPLACED sheets. Structure S4.          
          
ADDED the SHA structure number in title block.          
          
316 REPLACED sheet. Structure S4.          
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
316 ADDED the SHA structure number in title block and additional deck longitudinal           
reinforcing information in the standard.          
          
317-318 REPLACED sheets. Structure S4.          
          
ADDED the SHA structure number in title block.          
          
319 REPLACED sheet. Structure S4.          
          
ADDED the SHA structure number in title block and joint opening information in           
the standard.          
          
320-326 REPLACED sheets. Structure S4.          
          
ADDED the SHA structure number in title block.          
          
327-328 REPLACED sheets. Structure S4.          
          
ADDED the SHA structure number in title block and provided BOF and Pile Tip           
elevations in the Boring Logs and Drive Tests sheets.          
          
329 REPLACED sheet. Structure S5. Identified retaining wall sections and box           
culvert, clarified off set distance, added structure number and updated title block.          
          
330 REPLACED sheet. Structure S5. Identified retaining wall sections along           
dimensions, clarified off set, added bearing and curve data, added structure           
number and updated title block.          
          
331 REPLACED sheet. Structure S5.          
          
MODIFIED bottom of footings, added parapet control joint spacing, clarified           
reinforcing steel placement in the parapet, added structure number and updated           
title block.          
          
332 REPLACED sheet. Structure S5.          
          
ADDED parapet control joint spacing, showed dowels to connect wall foundation           
to bridge foundation, clarified reinforcing steel placement in the parapet, added           
detail showing drain system behind the wall, added structure number and updated           
title block.          
          
333-334 REPLACED sheet. Structure S5. Clarified dimensions.          
          
ADDED structure number and updated title block.          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
335-338 REPLACED sheet. Structure S5.          
          
MODIFIED footing steps, added notes, added bearing and curve data, added           
structure number and updated title block.          
          
338A-D NEW sheet. Structure S5.          
          
ADDED sheets showing the layout of reinforcing steel in bottom mat of footing.          
          
339-341 REPLACED sheet. Structure S5.          
          
41 MODIFIED dimensions to section view, modified and added dimensions to the           
reinforcing steel section, modified/added pilaster detail, added structure number           
and updated title block.          
          
342-347 REPLACED sheet. Structure S5.          
          
ADDED switched and reordered location of details, added structure number and           
updated title block.          
          
348-349 REPLACED sheet. Structure S5.          
          
ADDED minimum and estimated tip elevations, added structure number and           
updated title block.          
          
350 ADDED Note 6, 7, and 8.          
          
REVISED the General Notes “Design” note and “Loading” note.           
          
ADDED a contraction joint in the culvert.          
          
ADDED an expansion joint callout in Wingwalls I and II and a construction joint           
callout in Wingwalls III and IV.           
          
ADDED an expansion joint callout at the interface between Retaining Wall S5           
and Wingwalls III and IV.          
          
ADDED a callout for Retaining Wall S5.          
          
ADDED the proposed contours at the inlet side of the box culvert.          
          
ADDED a chain link safety fence on top of the F-shape barrier.          
          
ADDED dimensions at the downstream end of the culvert.          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
350 REVISED the callout for the dimensions measured along the centerline of the           
culvert.           
          
REVISED the dimensions of the downstream headwall and Wingwall III and IV.           
          
ADDED a detail and callout for the limits of overexcavation.          
          
351 ADDED information to the “HYDROLOGIC and HYDRAULIC DATA” sheet.          
          
352 REVISED the orientation of the dimensions for Wingwall I.           
          
ADDED a contraction joint and callout dimensions in the culvert.           
          
REVISED dimension values at the downstream end and along the centerline of           
the culvert.           
          
REVISED the dimension for Wingwall II footing.          
          
ADDED Note 3 for the “GEOMETRIC LAYOUT” Notes.           
          
ADDED the “PLAN - OVEREXCAVATION LIMITS” and “ELEVATION –           
OVEREXCAVATION LIMITS” details and corresponding notes.          
          
REVISED the “TABLE OF WORKING POINTS.”          
          
353 ADDED an identification for the span and rise of the culvert.           
          
ADDED a callout for the length of the corner bars as they run into the bottom and           
top slabs.          
          
REVISED the side wall reinforcing to allow for a lap in the C shaped bars located           
in the side walls.           
          
REVISED the reinforcing layout in the culvert barrel.           
          
REVISED Note 3.           
          
REMOVED LEGEND.          
          
354 REVISED the rebar view to show each and every bar in the plan view.           
          
REVISED the reinforcing layout in the footings of Wingwalls III and IV and in           
the culvert footing bottom mat.           
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
354 ADDED a contraction joint in the culvert.           
          
ADDED a view of and callout for Retaining Wall S5.          
          
ADDED Notes 3 and 7.           
          
355 REVISED the rebar view to show each and every bar in the plan view.           
          
REVISED the reinforcing layout in the footing top mat and in Wingwalls III and IV.          
          
REVISED the orientation of the dimensions for Wingwall I.           
          
ADDED a contraction joint in the culvert.          
          
ADDED a view of and callout for Retaining Wall S5.          
          
ADDED Notes 3 and 7.          
          
356 REVISED the rebar view to show each and every bar in the plan view.           
          
ADDED a contraction joint in the culvert.          
          
REVISED the dimensions of the downstream headwall and Wingwall III and IV.          
          
REVISED the reinforcing layout of the downstream headwall.           
          
REVISED the reinforcing layout in the top slab bottom mat.           
          
ADDED a view of and callout for Retaining Wall S5.          
          
ADDED a construction joint callout in Wingwalls III and IV.          
          
ADDED Note 9.          
          
REVISED the scale of the drawing from 3/8” = 1’- 0” to 1/4” = 1’- 0.”          
          
357 REVISED the rebar view to show each and every bar in the plan view.           
          
ADDED a contraction joint in the culvert.          
          
REVISED the dimensions of the downstream headwall and Wingwall III and IV.          
          
REVISED the reinforcing layout of the downstream headwall.           
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
357 REVISED the reinforcing layout in the top slab top mat.          
          
ADDED a view of and callout for Retaining Wall S5.          
          
ADDED a construction joint callout in Wingwalls III and IV.          
          
ADDED Note 9.          
          
REVISED the scale of the drawing from 3/8” = 1’- 0” to 1/4” = 1’- 0.”          
          
358 ADDED a drainage system for each wingwall.          
          
ADDED “PIPE OPENING DETAIL” to show the detail of the reinforcing           
around the opening in the culvert wall.           
          
REVISED the layout of the fence posts.           
          
ADDED fence post base plates and callouts in the plan view.           
          
ADDED a detail and a callout for the limits of overexcavation.          
          
REVISED Note 7.          
          
ADDED Note 8 and 9.           
          
359 REVISED the rebar view to show each and every bar.          
          
REVISED Note 7.           
          
ADDED a note giving the contractor the option to pour the drain base on top of           
the footing and eliminate the reinforcing in it.           
          
ADDED a note giving the contractor the option to place the footing dowels and           
stem bars as a continuous bar.           
          
REVISED the reinforcing layout in the stem and footing of Wingwall I and II.          
          
ADDED a dimension showing the depth of the dowel bars into the footing.           
          
ADDED a detail, “SECTION E-E,” showing the reinforcing in the wingwalls           
where they connect to the culvert walls and headwall.          
          
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
359 REVISED fencing layout and dimensions.          
          
ADDED a callout for the use of Mix No. 3 concrete to be used for the wingwall.           
          
ADDED a detail and a callout for the limits of overexcavation.          
          
360 ADDED fencing in the elevation view.           
          
ADDED a drainage system for Wingwalls III and IV.           
          
ADDED fence post base plates and callouts in the plan view.           
          
ADDED a detail and a callout for the limits of overexcavation.          
          
ADDED dimensions showing the height of the copings above and below the parapet.          
          
ADDED a V-groove around the perimeter of the culvert walls and slabs.          
          
ADDED a construction joint callout in Wingwall III and IV.           
          
ADDED an expansion joint callout at the interface between Retaining Wall S5           
and Wingwalls III and IV.          
          
REVISED the dimensions of Wingwalls III, IV and the headwall.           
          
REVISED the elevations at the interface between Wingwall IV and the headwall.          
          
REVISED Note 8.          
          
ADDED Note 10 and 11.           
          
ADDED a view of the footing for Retaining Wall S5 to the plan view.           
          
361 REVISED the rebar view to show each and every bar.          
          
REVISED Note 7.           
          
ADDED a note giving the contractor the option to pour the drain base on top of           
the footing and eliminate the reinforcing in it.           
          
          
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
361 ADDED a note giving the contractor the option to place the footing dowels and           
stem bars as a continuous bar.           
          
REVISED the dimensions of Wingwall III and IV.           
          
REVISED the reinforcing layout in the stem and footing of Wingwall III and IV           
and in the parapet atop Wingwall III and IV.          
          
ADDED a dimension showing the depth of the dowel bars into the footing.           
          
REVISED detail “SECTION F-F.”           
          
ADDED fencing on top of the parapet.          
          
ADDED conduits running through the parapet.          
          
ADDED a callout for the use of Mix No. 6 concrete to be used for the parapet and          
Mix No. 3 concrete to be used for the wingwall.           
          
ADDED a view of and callout for Retaining Wall S5 where it connects to the           
wingwalls.          
          
ADDED a note stating that the keyed construction joint atop the stem is centered           
in the wall stem.          
          
362 ADDED a V-groove at the culvert wall and slab.          
          
ADDED fencing on top of the parapet.          
          
REVISED the callouts of the reinforcing in the parapet to specify that all           
reinforcing in the parapet is epoxy coated.          
          
REVISED the dimensions of the headwall in “SECTION D-D.”          
          
REVISED the reinforcing layout of the headwall in “SECTION D-D.”           
          
ADDED a callout for the use of mix no. 6 concrete to be used for the parapet and           
mix no. 3 concrete to be used for the culvert.          
          
ADDED Note 6.           
          
          
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
362.A-F NEW sheet for inclusion of MD SHA Standards.           
          
363 ADDED an elevation on the boring logs that indicates the depth of the over           
excavation that is required below the bottom of the footing.           
          
REPLACED ‘BORINGS AND DRIVE TEST LOCATION PLAN’ to reflect           
changes to ‘Plan’ view on Sheet No. 350.           
          
363 ADDED Note 6.           
          
364-365 REPLACED sheet. Structure S7. Clarified layout of this wall including labeling           
wall sections, added structure number and updated title block.          
          
366-367 REPLACED sheet. Structure S7.          
          
ADDED sketch to show details of the drainage system, revised the end post           
details, revised the fence and specified height for each section, added structure           
number and updated title block.          
          
368-369 REPLACED sheet. Structure S7. Clarified layout of the wall.          
          
ADDED structure numbers and updated title block.          
          
370-372 REPLACED sheet. Structure S7.          
          
MODIFIED plan details to show optional construction joints, clarified footing           
steps, revised reinforcing pattern, added structure number and updated title block.          
          
372A-372C NEW sheet. Structure S7. Sheets shows layout of bottom mat of reinforcing           
steel in the footing.          
          
373-375 REPLACED sheet. Structure S7.          
          
MODIFIED plan details showing dimensions and reinforcing, changed coping           
depth, added structure number and updated title.          
          
376 REPLACED sheet. Structure S7.          
          
MODIFIED detail to show that fence height is 2 ft and 3 ft, added details, added           
structure number and updated title block.          
          
377 REPLACED sheet. Structure S7.          
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
377 ADDED structure number and updated title block.          
          
378 REPLACED sheet. Structure S7.          
          
ADDED and switched details, added structure number and updated title block.          
          
379 REPLACED sheet. Structure S7.          
          
ADDED structure number and updated title block.          
          
380 REPLACED sheet. Structure S7.          
          
ADDED detail, added structure number and updated title block.          
          
381 REPLACED sheet. Structure S7.          
          
ADDED structure number and updated title block.          
          
382 REPLACED sheet. Structure S7. Showed location of minimum and estimated           
pile tip elevations on logs, showed location of adjacent structure, added structure           
number and updated title block.          
          
383-384 REPLACED sheet. Structure S8. Clarified dimensions and off sets for the wall,           
          
385 REPLACED sheet. Structure S8. Clarified General Notes for epoxy coated           
reinforcing, concrete mixes, accepted MSE wall types and that only one type/style           
is allowed on this project, revised spacing for slip joints and fence post spacing,           
added elevations, modified end post, added structure number and updated title block.          
          
386 REPLACED sheet. Structure S8.          
          
REVISED slip joint and fence post spacing, added elevations, modified end post,           
added structure number and update title block.          
          
387-388 REPLACED sheet. Structure S8.          
          
ADDED sketch to clarify where off set dimensions are measured, added structure           
number and updated title block.          
          
389 REPLACED sheet. Structure S8.          
          
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
389 MODIFIED the traffic barrier shown in front of the MSE wall, changed the over           
excavation backfill material, clarified details of the wall, removed the ditch           
behind the wall, added structure number and updated title block.          
          
390-393 REPLACED sheet. Structure S8.          
          
ADDED structure number and updated title block.          
          
394-395 REPLACED sheet. Structure S8. Specified that the leveling pad elevation can           
be modified, added structure number and updated title block.          
          
396 REPLACED to Add +/- to dimensions at the tie in with the existing structure,           
changed the amount of over excavation needed under pipe, clarified that riprap is           
required at outlet of pipe and sheet detail can be found, added structure number           
and updated title block.          
          
396A NEW sheet for H&H data sheet.          
          
397 REPLACED sheet to change AASHTO year, added structure number and           
updated title block.          
          
398 REPLACED sheet to add +/- to dimensions and angle at the tie in with the           
existing structure, showed the over excavation under the junction box, added           
detail for connection between existing pipe and new pipe, added elevation for top           
of man hole, clarified how removal of portions of the existing structure is to be           
paid, showed limit of payment for various components of the manhole, added           
structure number and updated title block.          
          
399 REPLACED sheet to change note to structure uses Mix No. 3, modified details           
for joint and fence post spacing, removed note on geotechnical report, added over           
excavation and backfill, and showed information on the details, added structure           
number and updated title block.          
          
399A NEW sheet to add footing reinforcing pattern.          
          
400 REPLACED sheet to modify sections to show over excavation and backfill under           
end wall, added structure number and updated title block.          
          
400A NEW sheet to add reinforcing pattern on walls.          
          
400B-400F NEW sheet.          
          
ADDED detail sheets.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
401 REPLACED sheet.          
          
ADDED structure number and updated title block.          
          
402 REPLACED sheet. Structure S11. Changed the AASHTO design year, changed           
the mix type allowed for precast option, added +/- to dimensions and angles at the           
tie in with the existing structure, clarified portion of existing structure to be           
removed, added structure number and updated title block.          
          
403 REPLACED sheet. Structure S11.          
          
403 ADDED +/- to dimensions and angles at the tie in with the existing structure,           
showed 6” pipe from bioswale that crosses over, corrected which sections shown           
are precast and cast in place, added structure number and updated title block.          
          
404 REPLACED sheet. Structure S11.          
          
ADDED structure number and updated title block.          
          
405 REPLACED sheet. Structure S11.          
          
ADDED +/- to dimensions at the tie in with the existing structure, added           
structure number and updated title block.          
          
406 REPLACED sheet. Structure S11.          
          
ADDED +/- to dimensions at the tie in with the existing structure, added view           
showing cast in place option with location of contraction and expansion joints,           
added structure number and updated title block.          
          
407 REPLACED sheet. Structure S11.          
          
CHANGE titles for sections shown, added +/- dimensions and angle at the tie in           
with the existing structure, modified reinforcing steel, showed the existing CMP           
pipe to clarify detail, added structure number and updated title block.          
          
408 REPLACED sheet. Structure S11.          
          
CHANGED titles for sections shown, added structure number and updated title block.          
          
409 REPLACED sheet. Structure S11. Clarified reinforcing steel dimensions and           
added option to splice vertical wall bars, clarified that section is for cast in place           
construction, added structure numbers and updated title block.          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
410 REPLACED sheet. Structure S11.          
          
REVISED the section titles, clarified section is cast in place, modified reinforcing           
steel, clarified the over excavation and backfill required for this structure, added           
structure number and updated title block.          
          
411 REPLACED sheet. Structure S11.          
          
MODIFIED cast in place to precast connection detail removing thickness           
dimension as it various for walls and slabs, adding note that only connection           
detail shown can be used, added structure number and updated title block.          
          
412 REPLACED sheet. Structure S11. Clarified a detail is for outlet.          
          
ADDED standard number for ladder rung, added structure number and updated           
title block.          
          
413 REPLACED sheet. Structure S11.          
          
MODIFIED detail H-H to show key is centered, added structure number and           
updated title block.          
          
414 REPLACED sheet. Structure S11.          
          
ADDED reinforcing steel around the opening for the existing pipe, added           
structure number and updated title block.          
          
415 REPLACED sheet. Structure S11.          
          
ADDED coping to match adjacent wall, showed expansion joint between           
structures, added reference to plan sheet for Wall 7, added weep holes for           
drainage, added structure number and updated title block.          
          
416 REPLACED sheet. Structure S11.          
          
ADDED coping to detail, added headwall detail, added drainage system to view,           
added structure number and updated title block.          
          
417 REPLACED sheet. Structure S11.          
          
ADDED coping to detail, added drainage system, showed portion of adjacent           
structure, added structure number and updated title block.          
          
418-424 REPLACED sheet. Structure S11.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
418-424 ADDED structure number and updated title block.          
          
425-534 REVISED to add the Structure Inventory number to the plan sheets and update details.          
          
425 ADDED scupper schedule, vertical clearances, directional arrows, and notes.          
          
REVISED General Note for final paint coat color and Abutment B wing wall lengths.          
          
REMOVED General Note regarding prestressed concrete.          
          
426 REVISED Abutment A and Abutment B footing layouts and sheet references.          
          
427 ADDED anchor bolt layout plan.          
          
REVISED plan and elevation details, notes, and sheet references.          
          
428 REVISED section details, notes, and sheet references.          
          
431 REVISED section details, notes, and sheet references.          
          
432 ADDED epoxy coated reinforcing.          
          
REVISED section details, notes, and sheet references.          
          
433 ADDED Abutment A beam seat plan, anchor bolt detail, abutment beam step           
reinforcement detail, and notes.          
          
442 REVISED section details, notes, and sheet references.          
          
444 ADDED Abutment B beam seat plan, anchor bolt detail, abutment beam step           
reinforcement detail, and notes.          
          
449 REVISED plan, elevation, and section details, notes, and sheet references.          
          
450 ADDED additional optional footing construction joint, optional footing           
construction joint detail, and pay item for pile augering.          
          
REVISED pile plan details, notes, and sheet references.          
          
451 ADDED footing end elevation reinforcement detail.          
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
451 REVISED elevation and section details, notes, and sheet references and moved           
pier column cap reinforcement detail to new sheet.          
          
451A ADDED New Sheet.          
          
ADDED pier column cap reinforcement detail plan.          
          
REVISED pier column cap reinforcement detail section, notes, and sheet references.          
          
452 REVISED elevation and section details, notes, and sheet references.          
          
453 REVISED plan, elevation, and section details, notes, and sheet references.          
          
454 REVISED plan, elevation, and section details, notes, and sheet references.          
          
455 ADDED additional optional footing construction joint, optional footing           
construction joint detail, and pay item for pile augering.          
          
REVISED pile plan details, notes, and sheet references.          
          
456 REVISED elevation details, notes, and sheet references.          
          
457 ADDED footing end elevation reinforcement detail.          
          
REVISED section details, notes, and sheet references and moved pier column cap           
reinforcement detail to new sheet.          
          
457A NEW Sheet.          
          
ADDED pier column cap reinforcement detail plan.          
          
REVISED pier column cap reinforcement detail section, notes, and sheet references.          
          
458 REVISED elevation details, notes, and sheet references.          
          
459 REVISED section details, notes, and sheet references.          
          
460-461 REVISED plan, elevation, and section details, notes, and sheet references.          
          
462 ADDED additional optional footing construction joint, optional footing           
construction joint detail, and pay item for pile augering.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
462 REVISED pile plan details, notes, and sheet references.          
          
463 ADDED footing end elevation reinforcement detail.          
          
REVISED elevation and section details, notes, and sheet references and moved           
pier column cap reinforcement detail to new sheet.          
          
463A ADDED New Sheet.          
          
ADDED pier column cap reinforcement detail plan.          
          
REVISED pier column cap reinforcement detail section, notes, and sheet references.          
          
464 REVISED elevation and section details, notes, and sheet references.          
          
465 REVISED plan, elevation, and section details, notes, and sheet references.          
          
466 ADDED concrete barrier around pier columns.          
          
REVISED plan, elevation, and section details, notes, and sheet references.          
          
467 ADDED pier sequence of construction.          
          
REVISED pier sequence of construction details, notes, and sheet references.          
          
468 ADDED additional optional footing construction joint, optional footing           
construction joint detail, and pay item for pile augering.          
          
REVISED pile plan details, notes, and sheet references.          
          
469 ADDED footing end elevation reinforcement detail.          
          
REVISED elevation and section details, notes, and sheet references and moved           
pier column cap reinforcement detail to new sheet.          
          
469A ADDED New Sheet.          
          
ADDED pier column cap reinforcement detail plan.          
          
REVISED pier column cap reinforcement detail section, notes, and sheet references.          
          
470 REVISED elevation and section details, notes, and sheet references.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
470A ADDED New Sheet.          
          
ADDED concrete barrier plan, elevation, section, reinforcement details, notes, and           
sheet references.          
          
471 REVISED plan, elevation, and section details, notes, and sheet references.          
          
472 REVISED plan details, notes, and sheet references.          
          
473-475 ADDED parapet concrete pay item.          
          
REVISED typical section details, notes, and sheet references.          
          
476 ADDED field splice adjacent to Pier 2.          
          
REVISED framing plan detailing, cross frame spacing, notes, and sheet           
references.          
          
477 REVISED framing plan detailing, cross frame spacing, notes, and sheet references.          
          
478 ADDED field splice adjacent to Pier 2.          
          
REVISED girder elevation detailing, notes, and sheet references.          
          
479-482 REVISED camber values for girder design revisions notes, and sheet references.          
          
          
483-484 REVISED field splice details to identify girder flanges and web sizes, revised           
splice details, notes, and sheet references.          
          
485 ADDED field splice.          
          
REVISED field splice details to identify girder flanges and web sizes, revised           
splice details, notes, and sheet references.          
          
486 REVISED cross frame details, bearing stiffener, and cross frame connection plate details.          
          
487 ADDED Detail A.          
          
REVISED details, notes, and sheet references.          
          
489 REVISED bridge drainage details.          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
490 REMOVED Pour Sequence A.          
          
REVISED pour sequence details, notes, and sheet references.          
          
491-500 REVISED plan and section detailing, notes, and sheet references.          
          
501 ADDED structure inventory numbers.          
          
502 REVISED drawing title.          
          
503 ADDED structure inventory numbers.          
          
504 REVISED plan and section details, notes, and sheet references.          
          
505 ADDED detail.          
          
REVISED details, notes, and sheet references.          
          
506-507 ADDED structure inventory numbers.          
          
508 ADDED traffic signal base support details.          
          
509 ADDED traffic signal conduit layout plan.          
          
510 ADDED concrete median control joint details.          
          
REVISED plan details, notes, and sheet references.          
          
511 ADDED concrete median control joint details.          
          
REVISED plan details, notes, and sheet references.          
          
512-515 ADDED structure inventory numbers.          
          
516 ADDED Standard No. SUP-BP-101.          
          
REMOVED Standard No. SUP-BR(SB)-103 sheet 3 of 3, Standard No. SUP-          
BR(SB)-104 sheet 3 of 3.          
          
517 ADDED structure inventory numbers.          
          
518 REVISED Standard No. SUP-JT(CS)-101 to provide joint opening values.          
          
519-529 ADDED structure inventory numbers.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
530-334 REVISED estimated pile tip elevations.          
          
535 REPLACED sheet. Structure S13. Clarified layout of the wall.          
          
ADDED designation for I-270, identified 60” RCP, identified stream, labeled           
barrier between this wall and the next wall, added structure number and updated           
title block.          
          
536 REPLACED sheet. Structure S13. Changed AASHTO design year, removed           
reference to MSE wall option, added detail to show weep hole/drain pipe layout           
behind the wall, clarified fence post spacing, modified end post layout, identified           
where various wall sections start/end, clarified the extent of the architectural           
finish, corrected the elevation to show the toe wall correctly, added note for fence           
post placement, added structure number and updated title block.          
          
537 REPLACED sheet. Structure S13. Clarified layout of the wall, correctly location           
of horizontal turn points, added structure number and updated title block.          
          
538-540 REPLACED sheet. Structure S13.          
          
MODIFIED dimensions and reinforcing shown in the sections, clarified limits of           
over excavation and backfill, added structure numbers and updated title block.          
          
541 REPLACED sheet. Structure S13.          
          
ADDED detail for connecting new pipe to existing, added structure number and           
updated title block.          
          
542 REPLACED sheet. Structure S13.          
          
ADDED structure number and updated title block.          
          
543 REPLACED sheet. Structure S13.          
          
ADDED detail, added structure number and updated title block.          
          
544 REPLACED sheet. Structure S13.          
          
ADDED structure number and updated title block.          
          
545 REPLACED sheet. Structure S13.          
          
ADDED detail, added structure number and updated title block.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
546-548 REPLACED sheet. Structure S13.          
          
ADDED structure number and updated title block.          
          
549 REVISED notes and callouts.          
          
550 ADDED chain link safety fence.          
          
REVISED slip joint panel locations, elevation view to depict architectural           
treatment, and notes.          
          
551 ADDED chain link safety fence.          
          
REVISED slip joint panel locations, elevation view to depict architectural           
treatment, and notes.          
          
552 ADDED chain link safety fence.          
          
REVISED slip joint panel locations, elevation view to depict architectural           
treatment, and notes.          
          
553 ADDED chain link safety fence.          
          
REVISED slip joint panel locations, elevation view to depict architectural           
treatment, and notes.          
          
554 ADDED chain link safety fence.          
          
REVISED slip joint panel locations, elevation view to depict architectural           
treatment, and notes.          
          
555 ADDED chain link safety fence.          
          
REVISED slip joint panel locations, elevation view to depict architectural           
treatment, and notes.          
          
556 REVISED notes.          
          
557 REVISED notes.          
          
558 REVISED notes.          
          
559 ADDED chain link safety fence and drawing legend.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
559 REVISED barrier and notes.          
          
560-562 ADDED drawing legend.          
          
REVISED notes.          
          
563 ADDED slip joint panels.          
          
REVISED wall details, curtain wall, and notes.          
          
564 ADDED curtain wall and notes.          
          
565-566 ADDED fence and notes.          
          
567 ADDED joint section.          
          
REVISED details and sections, curtain wall, and notes.          
          
567A ADDED New Sheet.          
          
ADDED details for slip joint panels.          
          
567B ADDED New Sheet.          
          
ADDED wall details.          
          
568 ADDED chain link safety fence.          
          
REVISED moment slab and barrier details, reinforcement details, and notes.          
          
569 ADDED chain link safety fence and conduit.          
          
REVISED moment slab joint details and notes.          
          
570-579 ADDED structure number and updated details.          
          
580-618 REVISED to add the Structure Inventory number to the plan sheets, update           
details, and include “Checked By” initials.          
          
580 ADDED note for location of roadway geometry.          
          
REVISED end of wall callouts.          
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
581 ADDED general note regarding storing equipment and materials on or against           
structures and scupper.          
          
REVISED general note regarding allowable wall types, callouts, elevation view           
including depiction of architectural treatment, and notes including notes regarding           
chorded construction of wall and non-chorded construction of moment slab and parapet.          
          
582 REVISED callouts, elevation view including depiction of architectural treatment,           
and notes including notes regarding chorded construction of wall and non-          
chorded construction of moment slab and parapet.          
          
583 REVISED callouts, elevation view including depiction of architectural treatment,           
and notes including notes regarding chorded construction of wall and non-          
chorded construction of moment slab and parapet.          
          
584 REVISED information to clarify ramp information and complete the           
superelevation table.          
          
585 ADDED parapet concrete pay item and information regarding the Retaining Wall           
S16 Sequence of Construction.          
          
REVISED typical section to clarify pay item limits and reflect design updates.          
          
586 REVISED order of sheets to bring pile plan forward.          
          
REVISED footing dimensions, estimated pile tip elevation, and notes .          
          
587 REVISED order of sheets to bring cast-in-place wall details forward.          
          
REVISED callouts and clarified orientation of elements relative to footing.          
          
588 REVISED order of sheets to bring cast-in-place wall details forward.          
          
REVISED callouts, details to depict architectural treatment and reflect design updates.          
          
589 REVISED order of sheets to bring cast-in-place wall details forward.          
          
REVISED footing size and reinforcement, wall reinforcement, wall concrete type,           
callouts, and details to reflect design updates.          
          
590 REVISED order of sheets to bring cast-in-place wall details forward.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
590 REVISED footing size and reinforcement, wall reinforcement, wall concrete type,           
callouts, and details to reflect design updates.          
          
591-594 REVISED order of sheets to bring cast-in-place wall details forward.          
          
REVISED callouts and notes to clarify intent.          
          
595 ADDED structure number.          
          
596 REVISED order of sheets to bring cast-in-place wall details forward.          
          
REVISED callouts and notes to clarify intent.          
          
597-599 ADDED parapet concrete pay item.          
          
REVISED order of sheets to bring cast-in-place wall details forward.          
          
REVISED typical section to clarify pay item limits and reflect design updates.          
          
599A ADDED New Sheet.          
          
ADDED slip joint panel details.          
          
600 ADDED coping overhang reinforcement detail for moment slab transition, moved           
moment slab transition reinforcement sections to new sheet.          
          
600A ADDED New Sheet, Moved moment slab transition reinforcement sections to this sheet.          
          
REVISED callouts and notes to clarify intent.          
          
600B ADDED New Sheet.          
          
ADDED sheet for details of moment slab with parapet as opposed to a moment           
slab and barrier.          
          
601 REVISED details to depict architectural treatment and chain link safety fence           
and complete reinforcement detailing.          
          
602 ADDED parapet concrete item.          
          
REVISED sheet title and details to depict architectural treatment and chain link           
safety fence and complete reinforcement detailing.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
603 ADDED parapet concrete pay item.          
          
REVISED sheet title and moment slab and barrier details including depiction of           
chain link safety fence and depressed key, and notes to clarify intent.          
          
604 REVISED moment slab and barrier details including depiction of chain link           
safety fence and depressed key, and notes to clarify intent.          
          
605 ADDED detail for barrier transition and chain link safety fence transition at end           
of wall.          
          
REVISED chain link safety fence detailing.          
          
606 REVISED slope protection to be concrete slope protection instead of riprap slope protection.          
          
607 REVISED compression seal table to include joint opening values.          
          
608 ADDED standard details for structure inventory numbers.          
          
609 REMOVED Standard Nos. SUP-TB(SW)-103 and SUP-TB(42F)-103.          
          
ADDED Standard Nos. SI-101 and SI-102.          
          
610 REMOVED Standard No. SUP-TB(CP)-301.          
          
ADDED Standard No. SUP-EP(42F)-101.          
          
611-614 ADDED structure inventory numbers.          
          
615 ADDED estimated pile tip elevation for Retaining Wall S15A and bottom of wall           
elevations to relevant boring log sticks.          
          
616-618 ADDED bottom of wall elevations to relevant boring log sticks.          
          
619-642 REVISED to add the Structure Inventory number to the plan sheets, update           
details, and include “Checked By” initials.          
          
619 REVISED limits of construction for various structures.          
          
620 ADDED General Notes for pile cap information and regarding equipment and           
materials on or against structures.          
          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
620 REVISED elevation to depict architectural finish, termination of fence at           
beginning of wall, notes including notes regarding chorded construction of wall           
and non-chorded construction of moment slab and parapet; and drawing references.          
          
621 ADDED line work for architectural finish on elevation, notes regarding chorded           
construction of wall and non-chorded construction of moment slab and parapet,           
and pile cap.          
          
REVISED S15 line work.          
          
622 REVISED Superelevation Table; clarified which ramp geometry is provided.          
          
623 ADDED notations for architectural finish and clarified limits of construction for           
various structures, clarified payment for concrete header and pile cap, and added           
pile cap, piles, and casings for concrete header.          
          
REVISED notes and updated drawing references.          
          
623A ADDED New Sheet.          
          
ADDED pile and pile cap layout plan and details for piles.          
          
623B ADDED New Sheet.          
          
ADDED pile cap reinforcement plan - bottom mat and pile cap reinforcement section.          
          
623C ADDED New Sheet.          
          
ADDED pile cap reinforcement plan - top mat.          
          
624 REVISED order of plan sheets and renamed sheet.          
          
REVISED plan for pile cap and notes and updated drawing references.          
          
625 REVISED order of plan sheets and renamed sheet.          
          
REVISED plan for pile cap and notes and updated drawing references.          
          
626 REVISED order of plan sheets and renamed sheet.          
          
REVISED plan for pile cap and notes and updated drawing references.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
626 ADDED notations for architectural finish, clarification for proposed and future           
groundlines, and clarification for payment for moment slab and parapet and chain           
link safety fence.          
          
REVISED notes and updated drawing references.          
          
627 REVISED order of plan sheets.          
          
ADDED notations for architectural finish, clarification for proposed and future           
groundlines, and clarification for payment for moment slab and parapet and chain           
link safety fence.          
          
REVISED notes and updated drawing references.          
          
627A NEW sheet for slip joint panel details.          
          
627B NEW sheet for moment slab and parapet details as opposed to moment slab and barrier.          
          
628 REVISED details and notes and updated drawing references.          
          
629-630 REVISED details and completed reinforcement detailing to clarify moment slab           
and parapet construction, notes and updated drawing references.          
          
631 REVISED details and notes and updated drawing references.          
          
632 ADDED Standard No. SUB-EP(SW)-105; ADDED roadway joint table values.          
          
633 REMOVED Standard Nos. SUP-TB(SW)-103 and SUP-TB(42F)-103.          
          
ADDED Standard No. SUP-TB(CP)-301.          
          
634 REMOVED Standard No. SUP-TB(CP)-301.          
          
ADDED Standard Nos. SI-101 and SI-102.          
          
635-638 REVISED details & added structure number.          
          
639 ADDED bottom of wall locations to select boring sticks.          
          
640 ADDED bottom of wall locations to select boring sticks.          
          
641-642 REMOVED sheet.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
668 REVISED the construction detail ‘K’ callout & leader to the start of the           
pavement marking.          
          
REMOVED construction detail ‘E’ callout at Sta. 813+05 & Sta. 815+75.          
          
REVISED sign removal note at Sta. 283+00.           
          
669 REVISED sign removal note at Sta. 263+00.           
          
REVISED Sta. 209+00 construction detail callout from ‘H’ to ‘M’.           
          
REVISED Sta. 204+30 construction detail callout from ‘H’ to ‘M’ and callout           
from ‘C’ to ‘H’.          
          
REVISED Sta. 268+00 sign to be removed ‘I-270 North’ to the correct shield.           
          
REVISED Sta. 810+00 construction detail ‘A’ callout location.           
          
REVISED Sta. 38+70 added leader to construction detail callout ‘N’.           
          
REVISED Sta. 40+50 sign 606 from a R4-7 to a R4-7(1).          
          
REVISED Sta. 40+80 added construction detail callout ‘F’ & ‘G’.          
          
REVISED Sta. 40+80 changed construction detail callout from ‘A’ to ‘E’.          
          
REVISED Sta. 41+60 added construction detail callout ‘G’.          
          
REVISED Sta. 42+70 added leader to construction detail callout ‘N’.          
          
REVISED Sta. 42+80 changed construction detail callout from ‘E’ to ‘A’ &           
callout from ‘F’ to ‘B’.          
          
REVISED Sta. 42+95 revised sign 608 from a R4-7 to a R4-7(1).          
          
REVISED Sta. 43+00 added construction detail callout ‘H’.          
          
REVISED Sta. 44+45 changed construction detail callout from ‘B’ to ‘A’.          
          
670 REVISED Sta. 1607+90 added construction detail callout ‘J’.          
          
672 REVISED construction detail ‘A’ to ‘J’ at I-270 NB off ramp to MD 124.          
          
673 REVISED sign C-6 size & square footage.          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
673 Moved sign GM-1 80’ to the north.          
          
674 REVISED construction detail ‘A’ to ‘J’ at I-270 NB CD Road.          
Revised sign OH-4B to match detail on SN-3.3.           
          
675 REVISED the SF of sign C-7 to 468.          
          
677 REVISED sign C-9 to match detail on SN-3.3.          
          
REVISED the square footage of sign OH-5C.          
          
REVISED construction detail callout from ‘A’ to ‘J’ at I-270 NB CD to I-270           
NB.          
          
REVISED the length of the 10” pavement by 100’.          
          
678 REMOVED extra sign shown on proposed OH-6 overhead structure.          
          
REVISED the location of OH-6 sign structure to 41’ north of structure #15105.          
          
679 REVISED GM-2 from two (2) sign post to one (1).          
          
ADDED dimensions from crosswalk to right arrow pavement marking.          
          
680 REVISED lane width dimensions on WB Watkins Mill Rd. at Matchline QQ.           
          
ADDED sign 1712 approximately 450’ west of Community Center Ave.          
          
ADDED dimensions for ‘arrow’ ‘only’ ‘arrow’ pavement markings on WB           
Watkins Mill Rd.          
          
REVISED Sta. 801+20 changed construction detail callout from ‘B’ to ‘A’.          
          
REVISED Sta. 35+50 added radius label to 5” dotted line pavement markings.          
          
REVISED Sta. 36+40 added leader to construction detail callout ‘A’.          
          
REVISED Sta. 37+10 added construction detail callout ‘G’.          
          
REVISED Sta. 37+10 added construction detail callout ‘F’.          
          
682 REVISED location & dimension of sign GM-3.          
          
685 REVISED sign C-6 dimensions.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
687 REVISED sign OH-5C.          
          
691 REVISED the ‘C to C of Supports’ for signs 501, 601, 705 & 1101.          
          
692 REVISED sign panel locations for sign OH-5.          
          
REVISED sign location for sign OH-6.          
          
ADDED overhead sign structure OH-8 to the table.          
          
REVISED the ‘S’ structural dimension of signs C-1, C-6, C-7, C-8 & C-9.          
          
694 REVISED the ‘D’ sign panel dimension of sign C-7.          
          
REVISED the ‘F’ sign panel dimension of signs C-6 & C-8.          
          
REVISED ‘Design Size W x H’ of signs C-7 & C-9.          
          
696 REVISED the code number descriptions of #’s 1, 2, 3, 6, 7, 8, 9, 10 & 11.          
          
REVISED Sign 606 & 608’s description, square footage & wood post quantity.          
          
697 REVISED the code number descriptions of #’s 1, 2, 3, 6, 7, 8, 9, 10 & 11.          
          
ADDED 10” pavement markings to SN-2.11.          
          
REVISED Sign C-6 dimension & square footage.          
          
REVISED Sign C-7 square footage.          
          
ADDED 10” pavement markings to SN-2.14.          
          
698 REVISED the code number descriptions of #’s 1, 2, 3, 6, 7, 8, 9, 10 & 11.          
          
ADDED sign 1712 to the table.          
          
REVISED the 4” x 4” wood post length quantity of signs 1705, 1801 & 1802.          
          
ADDED a quantity for 10” white pavement marking to SN-2.17.          
          
REVISED project totals.          
          
700 REVISED District Utility Engineer contact.          
          
CONTRACT PLANS (Continued)          
          
Sheet No. Description          
          
701 REVISED Construction Details.          
          
702 REVISED District Utility Engineer contact.          
          
702 A ADDED Sheet SG-04.1.          
          
702 B ADDED Sheet SG-04.2.          
          
703 REVISED callout for lighting cabinet to underpass light.          
          
704 REVISED District Utility Engineer contact.          
          
709-721 REPLACED sheets. Replaced plan sheets for WSSC relocations in its entirety.          
          
721 A-D ADDED sheets. Added profile sheets for the WSSC sewer relocation.          
          
ADDITIONAL EXISTING INFORMATION          
          
For informational purposes, existing structure plans were made available as part of the contract           
documents.          
          
CROSS-SECTION CHANGES          
          
Note: Due to numerous additions, deletions, and revisions and to ensure clarity, the Cross-          
Section set has been replaced in its entirety.          
          
          
Questions relating to this Addendum No. 1 may be directed in writing to:          
          
Mr. Jason Ridgway          
Director, Office of Highway Development          
707 North Calvert Street           
Baltimore, Maryland 21202          
ATTN: Mr. Armando Henriquez          
          
If time is of the essence, handwritten questions may be transmitted to FAX No. 410-209-5001.           
All questions are to be addressed to Mr. Armando Henriquez, and the Contractor must identify           
the source of the question and the contract number.          
          
          
          
DOUGLAS H. SIMMONS, CHIEF ENGINEER/DEPUTY ADMINSTRATOR FOR           
PLANNING, ENGINEERING, REAL ESTATE, AND ENVIRONMENT.           
          
          
THIS ADDENDUM IS ISSUED TO CLARIFY, ADD TO, DELETE FROM, CORRECT           
AND/OR CHANGE THE BID DOCUMENTS TO THE EXTENT INDICATED AND IS           
HEREBY MADE PART OF THE SAID BID DOCUMENTS ON WHICH THE           
CONTRACT WILL BE BASED. COMAR 21.05.02.08 REQUIRES THAT ALL           
ADDENDA ISSUED BE ACKNOWLEDGED; THEREFORE, PRIOR TO           
SUBMITTING YOUR BID, ATTACH THE ADDENDUM RECEIPT VERIFICATION           
FORM TO THE FRONT OF THE PROPOSAL FORM PACKET. FAILURE TO DO SO           
MAY RESULT IN THE BID BEING DECLARED NON-RESPONSIVE.