02-11-1985 Council Packet - Laserfiche WebLink

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A } The contractor shall be required to cut into a plug on the existing force main as shown on the plans. The cut -in shall be incidental to the force main N construction. t The City has applied for permits required from the Burlington Northern Railroad and the Hennepin County Highway Department. All the requirements of these permits shall become a part of these specifications and be fully complied with by the contractor. The contractor shall post any bond required to obtain the permits. N j Dewatering for sewer construction may be required throughout the project to prevent trench water from entering the pipe and to provide suitable conditions M for laying pipe. All dewatering costs required to complete the work shall be 1. considered incidental to the project. Existing driveway and street culvert removal is required as a part of this construction. The street and driveway culverts shall he replaced with new 12" (' RCP at the unit price as bid in the proposal. 24,000.3.E.5. STAPTLTZATION: Where, in the opinion of the Engineer, unsuit- able material exists below the pipe, rock stabilization shall be used to in- sure proper bedding. Material shall be 3/4 minus rock, well graded and com- pacted in place below the pipe. Contractor's attention is directed to Para- graph 24,000.3.E5, of the General Conditions. Payment for stabilization shall be by the ton in place at the bid price as stated on the proposal and shall include all m;--cellaneous costs. Where, in the opinion of the Engineer, rock stabilization material is being wasted or used excessively, reductions will be made in the amount of material measured for payment purposes. All PVC sewer pipe shall he instniled and bedded in accordance with ASTM specification D-2321, "Recommended Practice for Underground Installation of Flexible Thermoplastic Sewer Pipe." Bedding requirements shall include mech- anical compaction of sand and gravel material surrounding the pipe to at least ninety-five (95%) percent of maximum density as described in AS"rM Methods D698 to prevent deflection of the pipe cross-section. Payment for such bedding and compaction operations shall be considered incidental to the installation of the sewer p'->A. Where existing soils are of non -granular nature, the Contrac- tor shall furnish sand or gravel material for pipe bedding as incidental to w the cost of the pipe. The Owner reserves the right to measure deflection of PVC sewer pipe 30 days p after placement of backfill material in the trench. Deflections greater than five (52) percent of the inside pipe diameter shall be considered failure of 1 the bedding procedure and the Contractor shall be required to re -excavate the M trench and provide additional compaction along the side of the sewer pipe with no additional compensation for such work. 24 , n00- 2 0-5841c Copvright 1995 Ronestroo, Rosene, Anderlik 6 Associatoo, Inc.