Scope: Replacement of culverts conveying normal tidal flows under Squamscott Road with concrete box culverts.

Information Report
STRATHAM
43001
NON-FEDERAL
County: ROCKINGHAM
Date Bids Open: 5/21/2026
Scope of Work: Replacement of two 18" rcp culverts 1/4 mi east on NH Route 108.
Location: Squamscott Rd.
Completion Date: 6/4/2027
Proposal Guarantee: 5% of bid amount
Item Item Estimated
Number Description Unit Quantity
STRATHAM 43001
Roadway
201.881 INVASIVE SPECIES CONTROL TYPE I SY 50.00
202.41 REMOVAL OF EXISTING PIPE 0-24" DIAMETER LF 80.00
202.7 REMOVAL OF GUARDRAIL LF 50.00
203.1 COMMON EXCAVATION CY 140.00
203.11 COMMON EXCAVATION - LRS CY 200.00
203.5562 EAGRT PLATFORM ALTERNATE U 7.00
203.601 EMBANKMENT-IN-PLACE CY 60.00
214. FINE GRADING U 1.00
304.401 CRUSHED STONE (FINE GRADATION) CY 390.00
304.45 CRUSHED STONE (FINE GRADATION) FOR DRIVES CY 5.00
403.11033 HBP-3/4" WINTER BINDER MIX, MACHINE METHOD TON 120.00
403.11053 HBP-3/8" SURFACE MIX, MACHINE METHOD TON 75.00
403.12 HBP-HAND METHOD TON 10.00
403.16 PAVEMENT JOINT ADHESIVE LF 740.00
403.19 HBP-TEMPORARY TON 120.00
Tuesday, April 21, 2026 Page 1 of 3

410.22 ASPHALT EMULSION FOR TACK COAT GAL 30.00
417. COLD PLANING BITUMINOUS SURFACES SY 170.00
503.101 WATER DIVERSION STRUCTURE U 1.00
503.102 WATER DIVERSION STRUCTURE U 1.00
503.201 COFFERDAMS U 1.00
503.202 COFFERDAMS U 1.00
529.00101 PRECAST CONCRETE BOX CULVERT U 1.00
529.00102 PRECAST CONCRETE BOX CULVERT U 1.00
563.44 STEEL-BACKED TIMBER BRIDGE RAIL LF 35.00
565.44 STEEL-BACKED TIMBER BRIDGE APPROACH RAIL U 8.00
583.3 RIPRAP, CLASS III CY 100.00
585.2 STONE FILL, CLASS B CY 35.00
585.22 STONE FILL, CLASS B, INTERMIXED WITH HUMUS CY 30.00
585.3401 SIMULATED STREAMBED MATERIAL CY 70.00
593.421 GEOTEXTILE; PERM CONTROL CL.2, NON-WOVEN SY 230.00
606.1461 STEEL-BACKED TIMBER GUARDRAIL (TERMINAL UNIT - U 7.00
TL 2)
606.5369 STEEL-BACKED TIMBER GUARDRAIL LF 230.00
615.0301 TRAFFIC SIGN TYPE C SF 4.00
618.61 UNIFORMED OFFICERS WITH VEHICLE $ 8,000.00
618.7 FLAGGERS HR 360.00
619.1 MAINTENANCE OF TRAFFIC U 1.00
619.25 PORTABLE CHANGEABLE MESSAGE SIGN U 4.00
621.31 SINGLE DELINEATOR WITH POST EA 4.00
621.32 DOUBLE DELINEATOR WITH POST EA 4.00
628.2 SAWED BITUMINOUS PAVEMENT LF 150.00
632.0104 RETROREFLECTIVE PAINT PAVE. MARKING, 4" LINE LF 7,250.00
645.44 TEMPORARY SLOPE MATTING TYPE D (WILDLIFE SY 460.00
FRIENDLY)
Tuesday, April 21, 2026 Page 2 of 3

645.512 COMPOST SOCK FOR PERIMETER BERM LF 1,000.00
645.531 SILT FENCE LF 1,000.00
645.7 STORM WATER POLLUTION PREVENTION PLAN U 1.00
645.71 WATER QUALITY MONITORING, INSPECTION AND HR 120.00
REPORTING
645.72 FINAL WETLAND IMPACT REPORT U 1.00
645.73 STREAM DIVERSION PLAN U 1.00
645.74 EROSION CONTROL PLAN U 1.00
645.75 COLD WEATHER STABILIZATION PLAN U 1.00
646.41 TURF ESTABLISHMENT WITH MULCH, TACKIFIERS AND SY 460.00
HUMUS
670.066 MAILBOX SUPPORT ASSEMBLIES EA 1.00
670.95 TEMPORARY SAFETY FENCE LF 50.00
692. MOBILIZATION U 1.00
697.11 INVASIVE SPECIES CONTROL AND MANAGEMENT PLAN U 1.00
697.31 PROJECT OPERATIONS PLAN U 1.00
699. MISCELLANEOUS TEMPORARY EROSION AND $ 10,000.00
SEDIMENT CONTROL
1008.8 ALTERATIONS AND ADDITIONS AS NEEDED - WINTER $ 2,500.00
MAINTENANCE
1010.15 FUEL ADJUSTMENT $ 20,000.00
Tuesday, April 21, 2026 Page 3 of 3