NIT No. 5 Item No. 1 (2022-23)

Providing Mild Steel pipes fabricated/ manufactured out of MS Plate of steel grade Fe410 as per IS 3589:2001 or out of HR coils of same/equivalent grade; coated internally with food grade epoxy and externally /outside with epoxy coating; complete in all respect; with up to date amednments in relevant IS codes and as directed by Engineer-in-charge. 1500 mm nominal dia (clear inetrnal dia.) pipes of 12 mm thickness (min.) internally coated with food grade epoxy coating and external/ outside epoxy coating. (item no. 12(A)(r) circular no. DJB/EE(PLG)W-II/RAs/2022/144 dated 11.04.2022)

Laying in position M.S. Pipes/Steel cylinder reinforced concrete pipes suitable for rubber ring jointing or welding or flanged jointing (excluding cost of pipe) (item no. 1 , circular no. DJB/EE(PLG)W-II/Ras/2022/138 dated 04.04.2022)

Taking out PSC/S&S pipes from the trenches after de-jointing and stacking the same along the trench within a lead of 50 meters (item no. 4 (i) circular no. DJB/EE(PLG)W-II/Ras/2022/138 dated 04.04.2022)

Demolishing cement concrete manually/ mechanical means including disosal of material within 50 metres lead as per direction of Engineer-in-charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix ) (DSR code 15.2.1)

Providing Mild Steel specials fabricated/ manufactured out of MS Plate of steel grade Fe410 as per IS 3589:2001 or out of HR coils of same/equivalent grade; coated internally with food grade epoxy and externally /outside with epoxy coating; complete in all respect; with up to date amednments in relevant IS codes and as directed by Engineer-in-charge. 1500 mm nominal dia (clear inetrnal dia.) specials of 12 mm thickness (min.) internally coated with food grade epoxy coating and external/ outside epoxy coating. Spigot & Socket.(item no. 13(A)(r) circular no. DJB/EE(PLG)W-II/RAs/2022/144 dated 11.04.2022)

Hydraulic Excavator (3D) with driver and fuel include cost of services of operating staff, Cost of lubricating oil, diesel / Petrol/ Kerosene oil , other consumables for running the plant and machinery and including GST, Contractor Profit, Cess & Water Charges etc.( DSR 0020)

Generator 100 KVA/125 KVA include cost of services of operating staff, Cost of lubricating oil, diesel / Petrol/ Kerosene oil , other consumables for running the plant and machinery and including GST, Contractor Profit, Cess & Water Charges etc.(DSR 0070) ( 2X 22 Hrs)

Hire and running charges of crane 20 tonne capacity include cost of services of operating staff, Cost of lubricating oil, diesel / Petrol/ Kerosene oil , other consumables for running the plant and machinery and including GST, Contractor Profit, Cess & Water Charges etc. (DSR 0028)

Welding by gas or electric plant including transportation of plant at site etc. Complete (DSR code 10.22)

Pumping out water caused by springs, tidal or river seepage, broken water mains or drains and the like. ( DSR- 14.23)

Deployment of labour at site for manual removal of earth to reach the surface of the pipe & cleaning the site, breaking the damaged pipe manually by using all the tool tackles such as hammer, gas cutter etc. Fixing of MS Gap Piece in place of damaged existing PSC pipe by providing and fixing of rubber rings & i/c fixing of collar, Jacking & aligning the new MS pipe in position, placing gunny bags inside the pipe to stop water etc. The job also includes providing labour at site for management of traffic, prior preparation of site for execution of work by running borewells for sufficient no. of days to lower the subsoil water to facilitate the work of pipe replacement as per direction of Engineer-in-charge.

Hire charges of TATA 407 or equivalent for local shifting include cost of services of operating staff, Cost of lubricating oil, diesel / Petrol/ Kerosene oil , other consumables for running the plant and machinery and including GST, Contractor Profit, Cess & Water Charges etc. (DSR code 0083)

Supplying & stacking at site good earth (DSR code 16.3.9)

Boring with 100 mm diameter casing pipe for hand pump / tubewell, in all soils except ordinary hard rocks requiring blasting, including removing the casing pipe after the hand pump / tube well is lowered and tested : Beyond 6 m and up to 12 m depth (DSR code 18.42.2) ( 5 Nos. X 12 Mtr. = 65 Mtr.)

Providing & laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level : 1:1.5:3 (1: cement : 1.5 coarse sand (zone III) derived from natural sources: 3 graded stone aggregate 20mm nominal size derived from natural sources) (DSC code 4.1.2)

Providing and erecting 2.00 metre high temporary barricading at site; each panel of size 2.50mx2.00m made of 40x40x6mm angle iron or 50x50x3mm hollow MS tube posts/horizontal members/bracings covered with 1.63mm thick MS sheet. The sheet shall be fixed with 30x5mm MS flat by suitable welding/riveting. The panels shall be made so that gap of 50cm above the ground is available making overall height as 2.5m. MS channel ISLC 75 @ 5.70 kg/m, 50cm long shall be provided at the bottom having oval shaped holes of size 50x25mm at both ends with 50cm long MS angle 40x40x6mm bracing. Suitable arrangement shall be made to fix the barricading to avoid from overturning by providing 250mm long expansion fasteners at both ends. The work shall be executed as per drawing/ direction of Engineer-in-Charge which includes writing and painting, arrangement for traffic diversion such as traffic signals during construction at site for day and night, glow lamps, reflective signs, marking, flags, caution tape as directed by the Engineer-in-Charge. The barricading provided shall be retained in position at site continuously i/c shifting of barricading from one location to another location as many times as required during the execution of the entire work till its completion. Rate include its maintenance for damages, painting, all incidentals, labour materials, equipment and works required to execute the job. The barricading shall not be removed without prior approval ofEngineer-in-Charge. (Note :- One time payment shall be made for providing barricading from start of work till completion of work i/c shifting. The barricading provided shall remainto be the property of the contractor on completion of the work). (DSR code 16.81)

Close timbering in trenches including strutting, shoring and packing cavities (wherever required) complete. (Measurements to be taken of the face area timbered). Depth exceeding 1.5 m but not exceeding 3 m. (DSR code 2.16.2)

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