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| 1 | M&L ,Taking down existing Filter media catalytic of complete layers through inspection / man hole door provided in existing IRP by crawelling / showelling withsuitable toolsand Cleaning forinside shell by brushing , flusing including taking out existing PVC push fit type strainers fitted in Disc & Bed plate of IRP 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 |
| 2 | M&L applying two coats of anticorrrosive bituminous paint over a coat of red oxide primer used in potable waterininner periphery and painting with two coats of synthetic enamel paint over a coat of red oxide primer on outer surfaceincluding writing of type of installation & capcity by sythetic enamel paint of white colour and MES No in dark red colour for IRP by using brush of approved paint all as specified and directed . |
| 3 | Supply and fixing new PVC push fit type strainer on complete disc & bed plate for IRP and Oxidation chamber of approved make all as specified and directed. |
| 4 | M&L for filling Catalytic media inIRP/activated carbon filteas per OEMrecommendedlayer procedure for specific approved catalytic size and material (as required) offollowing :-(i)16/32 Filtering sand. (ii) 20 x 40mm gravels. (iii)12 x 20 mm gravels .(iv) 06 x 12 mm gravels.(v)03 x1.5 mm gravels. |
| 5 | M&L ,Taking down existing Filter media catalytic of complete layers through inspection door provided in existing Oxidation Chamber by crawelling / showelling withsuitable tools and Cleaning forinside shell by brushing , flusing including taking out existing PVC push fit type strainers fitted in Disc & Bed plate of Oxidation chamberand disposal of media all as specified and directedNote : 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. |
| 6 | M&L applying two coats of anticorrrosive bituminous paint over a coat of red oxide primer used in potable waterininner periphery and painting with two coats of synthetic enamel paint over a coat of red oxide primer on outer surfaceincluding writing of type of installation & capcity by sythetic enamel paint of white colour and MES No in dark red colour e for Oxidation chamber by using brush of approved paint all as specified and directed . |
| 7 | M&L for fillingManganese di oxide (Mno2) of approved make as per OEM recommended layer Oxidation Chamber all as specified and directed. |
| 8 | Supply, installing and testing butterfly valve, class PN-1.6, ISI markedsuitable 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 |
| 9 | Supply, installing and testing butterfly valve, class PN-1.6, ISI markedsuitable 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 |
| 10 | 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. |
| 11 | S&F 32 mm bore upvc pipe with all fitting & fixed complete to walls or ceiling or laid in floors including taking out old U/S pipecomplete all as specified and directed |
| 12 | S&F 40 mm bore upvc pipe with all fitting & fixed complete to walls or ceiling or laid in floors including taking out old U/S pipecomplete all as specified and directed |
| 13 | 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 including dismantling unserviceable item complete all as specified and as directed |
| 14 | M & l Brick workwith sub class B bricks ,straight or curvded on plan built in cement mortar 1:4 including demolition of old brick work,complete all as specified and directed |
| 15 | 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. |
| 16 | All as per item No. 15 here-in-before but of size 900x900x900mm (internal size) |
| 17 | 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. |
