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Palmer Park Phase II Water & Sanitary Sewer Replacement, Prince George's County, MD

Under BOA Contract Number PM00014A06, A. Morton Thomas and Associates, Inc. prepared construction documents for the replacement of approximately 2.09 miles of water main and 279 water house service reconnections in 203NE07. Additionally, the project included 0.03 miles of sanitary sewer replacement. Above ground temporary water services will be provided to effective customers. AMT services included:

Alignment Approval: AMT walked the water main alignments and recommended replacement methods in conjunction with a site walk with WSSC. The location of water meters were identified. Then, a letter report was developed, which provided recommendation for the replacement method for each water main alignment. The existing water mains and adjacent gas and utilities were located by AMT prior to the walk.

Data Accumulation Evaluation: AMT obtained as-built drawings, 200 foot sheets, fire hydrant cards and valve cards from WSSC WebMap GIS application, water and sewer house connection information from WSSC Cadd1 website and the Anacostia Depot.

Geotechnical and Pavement Investigation: AMT obtained pavement cores to establish the thickness of existing pavement for restoration purposes.

Corrosion Investigation: The "Corrosion Survey Checklist" was completed in accordance with the WSSC Pipeline Design Manual. Corrosive soils did not exist.

Construction Documents: 70%, 100% and bid ready documents were prepared for bidding and construction purposes. Drawings were prepared in Auto CADD format and special provisions/bid documents were prepared utilizing MS Word. Those documents included:

1" = 100 plans
Connection to existing utilities
Special restraint design
Water House Connection (WHC)
Sequence of construction
Fire Hydrant Table
Restoration Schedules
Traffic Control Plans in accordance with PGDPW&T requirements
Supplemental General Conditions, Special Conditions, Special Provisions

AMT also will provide bidding and construction phase services

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