SPECIAL REPAIR/REPLACEMENT OF US PANEL, STARTERS AND RUSTED/CORRODED PIPE LINE IN CERTAIN WATER SUPPLY INSTALLATION AT BD BARI MIL STN AND PROVN OF CONVERSION OF CONVENTIONAL SECURITY LIGHTS/STREET LIGHTS/PARAMETER LIGHTS TO LED AT RATNUCHAK MIL STN

Taking up U/S CI water main(incl all fitting) with spigot & socket /MS pipe or any other type of pipe or lead joint incl burning out joint & recovering lead from pipe of 150 mm bore for laying /rerouting of serviceable pipe after cleaning complete all as directed.

M&L for laying of Centrifugally Cast (Spun) Ductile Iron Pressure Pipes 150 mm with Spigot & Socket end, Class K-7 conforming to IS: 8329/2000 suitable for (push-on) rubber gasket jointing with centrifugally applied inside cement mortar lining with Sulphur Resistant Cement and external Metallic Zinc Coating with a finishing layer of Black Bitumen coating on external surfaces . The standard lengths of the pipes are 5.5 meter (subject to tolerance as per clause 15.5.1 of IS: 8329:2000) with Ethylene Propylene Diene Monomer (EPDM) rubber gasket conforming to IS:5382 of Bulb-Type-2 as per IS:5382; Heel- Type-5, as per IS:5382 will be supplied. Pursuant to clause 15.5.1 of IS8329, 10% of pipes in each size, may be supplied in shorter lengths on surface/ over masonary pillar and connection to old or new position complete all as directed. Note: DI fitting /lead joint / Tyton joint will be measured and paid seperately all the dismanted / demolished /taking down material shall be reused or removed from site.

M&L for laying of Centrifugally Cast (Spun) Ductile Iron Pressure Pipes 150 mm with welded flanged ends ( both flanged ends/one end flange while other one with spigot & socket end), Class K-7 conforming to IS: 8329/2000 with centrifugally applied inside cement mortar lining with Sulphur Resistant Cement and external Metallic Zinc Coating with a finishing layer of Black Bitumen coating on external surfaces . The standard lengths of the pipes are 5.5 meter (subject to tolerance as per clause 15.5.1 of IS: 8329:2000), with rubber gasket nut bolts washers complete 10% of pipes in each size, may be supplied in shorter lengths on surface/ over masonary pillar and connection to old or new position complete all as directed. Note: DI fitting /lead joint / Tyton joint will be measured and paid seperately all the dismanted / demolished /taking down material shall be reused or removed from site. Work may be carried out on any terrain or inclinations.No other payments shall be paid on this account.

M&L for Cast Iron / Ductile Iron fittings conforming to IS: 9523–2000, Class K-12, PN-10, suitable for spigot and socketed pipes, such as bends (of any type, radius, and angle), tapers (straight, bend, increasing, decreasing or double socket type), tees (single branch), Y-junctions, double branches, crosses (all sockets or socket and spigot), collars, caps, plugs, reducers, etc., up to 200 mm bore, complete all as specified and directed.. Note: Excavation and earthwork shall be measured and paid for separately.

M&L for fabrication of MS (Mild Steel) header of size 300 mm for incoming pipe of 150 mm dia and outgoing pipes of various sizes, fabricated from MS pipe of heavy grade (conforming to IS:1239 Part-I), including cutting, bending, edge preparation, welding, fixing, alignment, and jointing complete with necessary MS flanges (IS:6392), nuts, bolts, gaskets, washers, supports, and surface preparation with two coats of synthetic enamel paint over a coat of red oxide primer; connecting to existing pipelines, testing and commissioning complete all as specified and directed. Note: Sluice valves shall be measured and paid for separately under the respective item of “Supply and Fixing.

Buring out lead joint in position, including removing old lead of size 150 mm bore complete all as specified and as directed.

M&L for run laid laid joint for follwing size of CI pipe of size 150 mm bore. Complete all as specified and as directed.

M&L for rubber gasket joint/ tyton joint for DI pipe upto size 150 mm bore. Complete all as specified and as directed.

Taking down carefully cast iron sluice valve of size 150 mm bore from CI water mains, dismantling parts and reassembling, replacement of ss spindle for sluice valve, class PN 1.0, and repacking stuffing box of sluice valve spindle, refixing in original position including provision of nuts, bolts, washers, rubbers gaskets etc complete all as specified and as directed.

Taking out existing U/S CI sluice valve of any size any pattern up to 200 mm bore from 80 mm bore complete all as directed.

Supply, fixing, and testing of Sluice Valve 150 mm dia, flanged type, conforming to IS: 14846–2000, pressure rating PN–1.0, with body and bonnet made of Cast Iron / Ductile Iron, fitted with non-rising spindle, bronze / stainless steel seat, and handwheel-operated mechanism, flanged ends drilled as per IS: 1538, complete with nuts, bolts, washers, and rubber insertion gaskets, installed in position and tested under working pressure, complete all as specified and directed.

Taking out existing U/S Non Rerurn Valve of size 80-150 mm bore complete all as directed.

Supply, fixing, and testing of Non-Return Valve (NRV) 150 mm dia, flanged type, confirming to IS: 5312 (Part I), suitable for Ductile Iron / Cast Iron pipelines, pressure rating PN–1.0, body made of Cast Iron / Ductile Iron with bronze / stainless steel seat and renewable rubber disc, with flanged ends drilled as per IS: 1538, complete with nuts, bolts, washers, and rubber insertion gaskets, installed in position and tested under working pressure, complete all as specified and directed.

M&L for construction of valve chambers with MS cover 3 mm thick of valve pit of size 1200x1200x1200 MM( internal dimensions) including necessary excavation, earth work 150 mm thick PCC 1:4:8 Type D2 as in foundation, PCC 1:2:4 Type B1 in coping plastering 15 mm thick in cm 1:4, and angle iron frame 40x40x6 mm and locking arrangement including painting with coat of synthetic enameled paint over a coat of redoxide primer after preparation of surface complete all as specified and directed.

M & L for repairing existing valve pit chamber cover and frame of any size, including alignment, tightening of hinges, welding minor cracks or joints, cleaning of rusted surfaces, applying one coat of red oxide primer and two coats of synthetic enamel paint to all exposed surfaces, and finishing the chamber top even and smooth, complete all as specified and directed by Engineer-in-Charge.

M & L (Material and Labour) for fabrication of valve pit chamber cover made out of MS sheet 5 mm thick, including cutting, bending, welding, grinding and forming to required size and shape, with MS stiffeners / angle iron frame for structural rigidity, provision of hinged or bolted cover plate with locking arrangement, lifting hooks, and ventilation holes, as directed. The entire chamber shall be cleaned, descaled, and given one coat of red oxide zinc chromate primer followed by two coats of synthetic enamel paint on all exposed surfaces, complete all as specified and directed by Engineer-in-Charge.

M & L for providing and laying PCC (1:3:6) type C-2 using 40 mm graded stone aggregate in thrust blocks and anchor blocks at bends, tees, and dead ends of pipeline to withstand hydraulic thrust, including necessary formwork, curing, and finishing surfaces even and smooth, complete all as specified and directed by Engineer-in-Charge.

M&L for cement concrete PCC 1:2:4 type B1 in plain cement concrete 20 mm graded coarse aggregate complete all as specified and as directed.

M & L for cutting of existing road surface (whether WBM, PCC, or bituminous) to required width and depth for laying of water pipeline, including removal of debris and disposal to a distance not exceeding 50 m, followed by restoration of the road surface after completion of pipe laying, using materials matching the existing surface type, viz. WBM/PCC/bituminous as applicable, including compaction in layers and finishing even and smooth to match the existing surface, complete all as specified and directed.

M&L for excavation in trenches in soft/loose soil not exceeding 1.5 m in depth and width and getting out complete all as specified and as directed by Engr-in-Charge

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm complete all as specified and as directed by Engr-in-Charge.

Removal of excess soil from site n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point

Supply, installation, testing and commissioning of factory-fabricated LT Panel (Horizontal type, two tier) floor mounted, cubical, dust and vermin proof, made of CRCA sheet not less than 3.0 mm thick, powder coated, having IP-42 protection, overall size approx. 1500 mm (L) × 1000 mm (H) × 450 mm (D), comprising the following: (i) One Incomer MCCB 200 Amps, 25 kA, 4 pole - 01 Nos (ii) Outgoing MCCB 63 Amps, 25 kA, 4 pole - 3 Nos & MCB SPN 40A - 01 Nos (iii) Changeover switch 200 Amps, 4 pole, manually operated, complete with interlocking arrangement. (iv) Aluminium busbar of suitable rating (minimum 250 Amps) mounted on insulators, colour-coded. (v) Digital PAF with CTs of CT ratio 100/5, indicating lamps. (vi) Suitable cable end termination boxes with gland plate and spreader links. (vii) Earthing terminals 2 Nos with GI strips/lugs. (viii) All internal wiring with PVC insulated copper conductor wire of suitable size, ferruled and neatly dressed. (ix) Panel base channel frame with anti-vibration pads. (x) Base frame: 50×50×6 mm MS angle/channel. (xi) Panel to be grouted on PCC pedestal (approx. 150 mm high above floor). (xii) 2 Nos. earthing terminals on both ends of base channel. The panel shall be supplied, grouted on PCC foundation (including necessary bolts, nuts, foundation frame, grouting and finishing work), installed in position, factory wired, tested and commissioned at site, including all accessories required for safe and efficient operation, complete all as specified and directed.

S&F air release valve of size 150 mm, ductile iron body with EPDM sealing, suitable for operating pressure up to 10 bar, flanged ends matching K9 class CI/DI pipeline, corrosion-resistant epoxy-coated, with float-operated venting mechanism, including all necessary gaskets, bolts, nuts and washers, fixed on pipeline, tested for proper operation and leak-tightness, commissioned , complete all as directed. Note: Foundation/valve pit required for installation shall be measured and paid for separately.

Supply, installation, testing and commissioning of factory-fabricated LT Panel (Horizontal type, two tier) floor mounted, cubical, dust and vermin proof, made of CRCA sheet not less than 3.0 mm thick, powder coated, having IP-42 protection, overall size approx. 1500 mm (L) × 1000 mm (H) × 450 mm (D), comprising the following: (i) One Incomer MCCB 100 Amps, 25 kA, 4 pole - 01 Nos (ii) Outgoing MCCB 40 Amps, 25 kA, 4 pole - 3 Nos & MCB SPN 32A - 01 Nos (iii) Changeover switch 100 Amps, 4 pole, manually operated, complete with interlocking arrangement. (iv) Aluminium busbar of suitable rating mounted on insulators, colour-coded. (v) Digital PAF with CTs of CT ratio 100/5, indicating lamps. (vi) Suitable cable end termination boxes with gland plate and spreader links. (vii) Earthing terminals 2 Nos with GI strips/lugs. (viii) All internal wiring with PVC insulated copper conductor wire of suitable size, ferruled and neatly dressed. (ix) Panel base channel frame with anti-vibration pads. (x) Base frame: 50×50×6 mm MS angle/channel. (xi) Panel to be grouted on PCC pedestal (approx. 150 mm high above floor). (xii) 2 Nos. earthing terminals on both ends of base channel. The panel shall be supplied, grouted on PCC foundation (including necessary bolts, nuts, foundation frame, grouting and finishing work), installed in position, factory wired, tested and commissioned at site, including all accessories required for safe and efficient operation, complete all as specified and directed.

Dismentaling & Taking down unserviceable street light fittings/security light,FLOOD light from pole for replacement of unserviceable Security light, integral wiring with appropriate gauge conductor and refixing the same after replacement in original position properly using PVC insulation tape or where directed complete all as specified and as directed.

Supply and fixing Integral LED street/security light luminaire 90W LED 230 volts made of pressure die cast aluminium housing with high power LED’s lens & toughned glass IP-66 suitable for mounting existing bracket of size 32/40mm dia G I pipe, fixing clamps ,bolts, nuts of suitable size as required at site complete all as specified and as directed for

Supply and fix Integral LED street/security light luminaire 60W LED 230 volts made of pressure die cast aluminium housing with high power LED’s lens & toughned glass IP-66 suitable for mounting existing bracket of size 32/40mm dia G I pipe, fixing clamps ,bolts, nuts of suitable size as required at site complete all as specified and as directed for

Supply and fix Integral LED security FLOOD light luminaire 120W LED 230 volts made of pressure die cast aluminium housing with high power LED’s lens & toughned glass IP-66 suitable for mounting existing bracket of size 32/40mm dia G I pipe, fixing clamps ,bolts, nuts of suitable size as required at site complete all as specified and as directed .

Supply & Fixing in replacement PVC insulated weather proof sheated alluminium cable 2.5 sq mm 2 core complete all as specified and as directed .

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