15-18Payment will be made under: 1
Pay Item Pay Unit Abandon __" Utility Pipe Linear Foot Abandon Utility Manhole Each Remove Utility Manhole Each Remove Water Meter Each Remove Fire Hydrant Each
ENCASEMENT 3 -1 DESCRIPTION 4 Furnish and install encasement or casing pipes. For the purposes of this specification the 5 words encasement, casing, encasement pipe and casing pipe are inter changeable. 6 -2 MATERIAL 7 Refer to Division 10. 8 Item Section Concrete Pipe 1034 -3 Flowable Fill 1000 -7 Grout 1003 PVC Pipe 1034 -2 Select Materials 1016 Steel Encasement Pipe 1036 -4(B) Treated Timber 1082 -3 Clay Pipe 1034 -1 Other pipe as designed by an engineer licensed by the State of North Carolina . 9 Submit material certifications and obtain approval from the Engineer before installation. 10 -3 CONSTRUCTION METHODS 11
Apply Section 1505 for excavation, trenching, pipe laying and backfill. 13
Weld in accordance with Article 1032 -5. 15
Mark encasements for future use with a treated wooden marker post. Place wooden 17 marker post at the right of way or at the ends of encasements if encasemen ts extend 18 beyond the right of way. 19
Install carrier pipe through casing using spacers or insulators to support the carrier pipe. 21 Place spacers at intervals sufficient to support the carrier pipe without sagging. Install 22 spacers sized to raise the carrier pipe bells ab ove the encasement pipe invert. 23 Seal ends of casing with concrete, brick or other approved materials. Ensure drainage of 24 encasement by leaving a 1 inch diameter weep hole in the seal of the lower end of the 25 encasement. 26