Scope: Construction of median guardrail from NH/MA border north 3.8 miles to the Taylor River Addendum 1

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Information Report
SEABROOK - HAMPTON FALLS - HAMPTON
45207
X-A005(723)
County: ROCKINGHAM
Date Bids Open: 9/17/2026
Scope of Work: Construction of median guardrail, from NH/mass border north 3.8 mi to the Taylor
River.
Location: I-95
Completion Date: 9/17/2027
Proposal Guarantee: 5% of bid amount
Item Item Estimated
Number Description Unit Quantity
SEABROOK - HAMPTON FALLS - HAMPTON 45207
Highway
202.7 REMOVAL OF GUARDRAIL LF 800.00
203.5540 GUARDRAIL TAPERED RAIL PLATFORM LF 300.00
203.5561 EAGRT PLATFORM PREFERRED U 13.00
206.19 COMMON STRUCTURE EXCAVATION EXPLORATORY CY 50.00
206.21 ROCK STRUCTURE EXCAVATION MECHANICAL CY 20.00
METHODS
304.32 CRUSHED GRAVEL FOR SHOULDER LEVELING TON 1,200.00
503.201 COFFERDAMS U 1.00
503.202 COFFERDAMS U 1.00
503.203 COFFERDAMS U 1.00
503.204 COFFERDAMS U 1.00
503.205 COFFERDAMS U 1.00
503.206 COFFERDAMS U 1.00
503.207 COFFERDAMS U 1.00
503.208 COFFERDAMS U 1.00
503.209 COFFERDAMS U 1.00
Wednesday, August 26, 2026 Page 1 of 3

503.210 COFFERDAMS U 1.00
503.211 COFFERDAMS U 1.00
503.212 COFFERDAMS U 1.00
604.4 RECONSTRUCTING/ADJUSTING CATCH BASIN & DROP LF 5.00
INLET
606.0134 CABLE BARRIER LINE POST, 4 STRAND EA 10.00
606.01342 CABLE BARRIER LINE POST ASSEMBLIES, 4 STRAND EA 10.00
606.0194 FURNISH CABLE BARRIER LINE POST, 4 STRAND EA 100.00
606.01941 FURNISH CABLE BARRIER LINE POST ASSEMBLIES, 4 EA 100.00
STRAND
606.01942 FURNISH CABLE BARRIER ANCHOR POSTS & EA 2.00
ASSEMBLIES, 4 STRAND
606.1254 BEAM GUARDRAIL (TERMINAL UNIT TYPE EAGRT, TL 3) U 13.00
(STEEL POST)
606.1471 BEAM GUARDRAIL (TERMINAL UNIT TYPE G-2) (MASH U 17.00
MID-SPLICE)
606.18001 31" W-BEAM GUARDRAIL WITH 8" OFFSET BLOCK LF 9,200.00
(STEEL POST)
606.332 SINGLE-FACED THRIE BEAM TRANSITION RAIL, STEEL U 1.00
POST
606.417 PORTABLE CONCRETE BARRIER FOR TRAFFIC LF 1,440.00
CONTROL
606.71104 CABLE MEDIAN BARRIER, HIGH TENSION, 4 STRAND LF 15,000.00
606.71114 CABLE MEDIAN BARRIER ANCHORAGE, HIGH TENSION, U 12.00
4 STRAND
606.9523 TEMP. IMPACT ATTENUATION DEVICE (NON- U 8.00
REDIRECTIVE) TEST LEVEL 3
618.61 UNIFORMED OFFICERS WITH VEHICLE $ 80,000.00
619.1 MAINTENANCE OF TRAFFIC U 1.00
619.25 PORTABLE CHANGEABLE MESSAGE SIGN U 4.00
619.279 AUTOMATED TRAILER-MOUNTED SPEED LIMIT SIGN U 4.00
619.63 TRUCK-MOUNTED IMPACT ATTENUATOR, TEST LEVEL 3 U 2.00
621.2 RETROREFLECTIVE BEAM GUARDRAIL DELINEATOR EA 100.00
621.3112 SINGLE LARGE DELINEATOR WITH POST EA 40.00
645.44 TEMPORARY SLOPE MATTING TYPE D (WILDLIFE SY 11,200.00
FRIENDLY)
645.512 COMPOST SOCK FOR PERIMETER BERM LF 5,200.00
645.531 SILT FENCE LF 1,800.00
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645.611 BONDED FIBER MATRIX (BFM) LB 12,100.00
646.21 TURF ESTABLISHMENT WITHOUT MULCH SY 10,000.00
646.31 TURF ESTABLISHMENT WITH MULCH AND TACKIFIERS SY 2,500.00
647.1 HUMUS CY 1,000.00
670.104 TEMPORARY PORTABLE LIGHTING U 8.00
692. MOBILIZATION U 1.00
699. MISCELLANEOUS TEMPORARY EROSION AND $ 3,000.00
SEDIMENT CONTROL
1010.15 FUEL ADJUSTMENT $ 20,000.00
Wednesday, August 26, 2026 Page 3 of 3