REPAIR REPLACEMENT OF ACTIVATION CARBON FILTER AND MULTI LAYER FILTER AND CONNECTED WORKS IN VARIOUS LOCATION AT MIL STN AGARTALA

Amount

Schedule'A' Part-I: E&M works

M&L ,Taking down existing Filter media catalytic of complete layers through inspection / man hole door provided in existing activated carbon filter/multilayer filter by crawelling / showelling with suitable tools and Cleaning for inside shell by brushing , flusing including taking out existing PVC push fit type strainers fitted in Disc & Bed plate of activated carbon filter/multi layer filter and disposal of media all as specified and directed . Note : Welding / Bracing / patching for disc and bed plate including nut bolts and washer if required to make good shall be included in rate quoted for item.

M&L applying two coats of anticorrrosive bituminous paint over a coat of red oxide primer used in potable waterin inner periphery and painting with two coats of synthetic enamel paint over a coat of red oxide primer on outer surface including writing of type of installation & capcity by sythetic enamel paint of white colour and MES No in dark red colour for activated carbon filter/multi layer filter by using brush of approved paint all as specified and directed .

Supply and fixing new PVC push fit type strainer on complete disc & bed plate for activated carbon filter/multilayer filter of approved make all as specified and directed.

M&L for filling Catalytic media in activated carbon filter/multilayer filter as per OEM recommended layer procedure for specific approved catalytic size and material of following :- (i) 2-3 mm Silex. (ii) 16/32 Filtering sand. (iii) 6-2 crused gravels (iv) 6-4 mm pabbles. (v) 10-6 mm pabbles. (vi) 20-12 mm pabbles. (vii) 40-25 mm pabbles

Supply & fixing Activated carbon IV1000 in activated carbon filter

Supply, installing and testing butterfly valve, class PN-1.6, ISI marked suitable for 100 mm bore pipe with flanged ends and nuts, bolts & washers including dismantling unserviceable butterfly valve and removing from site of work complete all as specified and directed

Supply, installing and testing butterfly valve, class PN-1.6, ISI marked suitable for 80 mm bore pipe with flanged ends and nuts, bolts & washers including dismantling unserviceable butterfly valve and removing from site of work complete all as specified and directed

Supply & fixing connecting and testing of CI sluice valve ,ISI marked duly embossed 100 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.

Supply and lay 100 mm bore steel water tubing, galvanised 'medium grade’ with all necessary fittings and fixed complete to walls and ceilings or laid in floors complete all as specified and as directed

Supply and lay 80 mm bore steel water tubing, galvanised 'medium grade’ with all necessary fittings and fixed complete to walls and ceilings or laid in floors complete all as specified and as directed

Material & labour in repair for construction 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.

Material & labou in repair for construction of 230mm thick bnrick masonary valve chamber built in CM 1:6 of valve pit of size 900x900x900mm (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.

Material & labour in repair for construction of 230mm thick bnrick masonary valve chamber built in CM 1:6 of valve pit of size 450x450x 700mm (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.

Supply and laying 3 layer PP-R polypropyline random copolymer concealed pipes 50 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 including taking out unserviceable item all as specified including all fittings etc.

Supply and laying 3 layer PP-R polypropyline random copolymer concealed pipes 40 mm bore of SDR 7.4 (PN-16) UV stabilised and anti-microbial fusion welded having thermal stability for water supply including taking out unserviceable item all PP-R plain & brass threaded polypropyline random fittings fixed complete to laid in trenches including taking out unserviceable item all as specified including all fittings etc.

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.

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.

Supply & fixing connecting and testing of PP-R Gate valve of size 40 mm bore and including taking down old unserviceable, complete all as specified and directed.

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.

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.

M/S New Saha Enterprise (BID ID -3199727)

M/S SANKAR GOPE (BID ID -3199815)

M/S UTTAM GANGULY ENTERPRISE (BID ID -3200360)

M/S PAUL ENTERPRISE (BID ID -3199521)

SHRI RAJESH DEY (BID ID -3196092)