REPAIR REPLACEMENT AND OF CI, GI, DI, PPR PIPE LINE INCL CONNECTED ACCESSORIES AT ZONE G AT MIL STN AGARTALA

Excavation in trenches, n exc 1.5m wide and n exc 1.5m in depth in soft/loose soil for foundation etc, or for shafts, wells/laying of pipeline cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5m in depth and getting out.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exc. 25 cm all as specified and directed.

Removing excavated material n exc 50m and deposting where directed at a level n exc 1.5m above the starting point.

Taking up CI/DI/GI water mains of 150 mm dia (including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as directed.

All as per item No. 4 here-in-before but of size 100mm dia pipe.

Material & Labour for ductile iron pressure pipe 150 mm bore centrifugally cast with socket & spigoted ends Class K- 9, ISI marked duly embossed suitable for (push on joint) rubber gasket D jointing with inside cement mortar lining with internal metalic zinc coating and external black bitumen coating including jointing material complete all as specified and as directed.

All as per item No. 6 here-in-before but of size 100mm dia pipe.

Material & labour for DI Fittings Bends (any type, radius and angle) tapers any type (straight, bend, increasing, decreasing or double socket etc.,) Tee pieces, single branch, "Y" junction, double branch, cross (all sockets or socket and spigot) collers, caps suitable for spigot and socketed pipes upto 150 mm bore size all as specified.

Taking up GI/PPR pipe Water mains(including all fittings) upto 50 mm bore complete all as directed.

Re-laying of GI/PPR pipe up to 50mm dia ( onlyserviceable pipe) Water mains any length after cleaning, laid in trenches/surface including testing complete all as specified and directed.

Supply and laying 3 layer PP-R polypropyline random copolymer concealed pipes 160 mm bore of SDR 7.4 (PN-16) UV stabilised and anti-microbial fusion welded having thermal stability for water supply including all PP-R plain & brass threaded polypropyline random fittings fixed complete to laid in trenches complete all as specified including all fittings etc.

All as per item No. 11 here-in-before but of size 63 mm dia pipe.

All as per item No. 11 here-in-before but of size 50 mm dia pipe.

All as per item No. 11 here-in-before but of size 40 mm dia pipe.

All as per item No. 11 here-in-before but of size 32 mm dia pipe.

All as per item No. 11 here-in-before but of size 25 mm dia pipe.

Supply & fixing connecting and testing of CI sluice valve ,ISI marked duly embossed 150 mm bore both ends flanged,with CI body and brass spindel with bolts and nuts ,operating wheel etc.including taking down old unserviceable, non rising type class PN-1.6 including ,jointing material rubber gasket, complete all as specified and directed.

All as per item No. 17 here-in-before but of size 100 mm bore.

All as per item No. 17 here-in-before but of size 80 mm bore.

Supply & fixing connecting and testing of PP-R Gate valve of size 50 mm bore and including taking down old unserviceable, complete all as specified and directed.

All as per item No. 20 here-in-before but of size 40 mm bore.

All as per item No. 20 here-in-before but of size 32 mm bore.

All as per item No. 20 here-in-before but of size 25 mm bore.

Cutting hard standing / road for laying of pipe complete all as specified and as directed.

Material and labour for PCC (1:4:8) type D-2 (using 40mm graded aggregate) for filling and making good of disturbed surfaces of road/hard standing etc complete all as specified and as directed.

Material & labour in repair for constraction of 230mm thick bnrick masonary valve chamber built in CM 1:6 of valve pit of size 900x900x1200mm (internal size) with 100mm thick foundation using PCC 1:4:8 type D2 with 100mm offset,15mm thick plastering internally and 15cm below GL externally in CM 1:6, 3mm thick MS sheet cover ,double/single door welded to 50mmx50mmx6mm MS angle iron fram fixed with hold fasts in PCC 1:2:4 tyupe B1 coping 50mm thick, 20mmx6mm flat iron hinges with loocking arrangement including lock 65mm brass and keys, MS handies and applying one coat of red oxide primer and two coats of synthetic enamel paint to all steel surfaces including excavation & earth work in any type of soil / rock and disposal of surplus soil to a distance not exceeding 50m complete all as specified and directed.

All as per item No. 26 here-in-before but of size 900x900x900mm (internal size).

NOTES :- 1. The amount of schedule of credit shall be deducted from the total of this BOQ for arriving at contract sum. 2. Unless otherwise specified the rates for PCC shall deemed to include the cost of formwork shuttering etc, required for complete and proper execution of the work. Refer Schedule 'A' notes for details.