NHIDCL/RO/AN/2nd Call/FY 2021-22/07

Amount

Supply to site of one number XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 33000 volts grade, of size 3 core 95 sq mm all as specified and directed by Engr-in-Charge.

Laying & testing of one number XLPE power cable of 33 KV grade of following size direct in ground including excavation (pit cross section not exceeding 1.5m x 1.5m), sand cushioning, protective covering and refilling the trench etc as required of size 3 core 95 sq.mm all specified and directed by Engineer-in-charge. i) excavation in trenchs not exceeding 1.5m wide and not exceeding 1.5m deep for foudation etc or for laying cables / poles etc. getting out in any type of soil complete all as specified ii) returning, filling in, including spreading, leveling, watering and well ramming in layer not exceeding 25cm thick complete all as specified. (a deduction of 10% shall be made from total computed volume of filling to cater for bulkage irrespective of machinery used for ramming) iii) removing of sulplus soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as directed. iv) supply and filling pulverised stone dust to the full width of trenches for pretection of cables including spreading, punning down and consolidation complete all as specified and directed (thickness of stone dust will be used for cushioning and punning) v) supply and laying reinforced precast concrete cable cover, class EHV, type-1 with peak, size 450mm x 230m x 50mm all as specified and as directed by Engineer in Charge.

Supplying and making outdoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 33 KV grade as required : jointing accessories suitable for 3 core XLPE armoured, Al conductor cable size 95 Sqmm.

Supplying and making straight through cable jointing with heat shrinkable jointing kit complete with all accessories including ferrules suitable for following size of 3 core, XLPE aluminium conductor cable of 33 KV grade as required : jointing accessories suitable for 3 core XLPE armoured, Al conductor cable size 95 Sqmm, Indoor/Outdoor type.

Providing, laying and fixing 150mm dia G.I. pipe (medium class) in ground complete with GI fittings including trenching (75cm deep) and refilling etc as required.

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m; for DI pipe dia ranging between 300mm dia to 600mm dia, in all kinds of soil.

Providing and laying S&S Centrifugally Cast (Spun) / Ductile Iron Pipes conforming to IS : 8329; 400 mm dia Ductile Iron Class K-9 pipes, complete in all respect as specified by Engineer-in-charge

Providing and supplying Air Valves (single ball PN-1.6, 150mm) as per IS- 14845-2000 and standard specifications double orifice type combined with isolating sluice valve, mounted in horizontal position and operated by wheel gearing, small orifice elastic ball resting on a gun metal orifice nipple, large orifice vulcanite ball seating on moulded seat ring, inlet face and drilled, including insurance, third party inspection charges, loading, unloading, transportation upto departmental store, excluding GST levied by GOI & GOM in all respect etc. complete.

Lowering, laying, and fixing in proper alignment and position all type of CI Air Release Valves (single ball PN-1.6, 150mm) as directed by Engineer-in-charge including cost of conveyance from stores to site of work, cost of all material and giving satisfactory hydraulic testing, etc. complete.

Providing double flange sluice valve confirming for IS-14846 including worn gear arrangements as per test pressure, stainless stell spindle, caps, including inspection charges, tarnsportation upto departmental store, unlopading, stacking in all respect etc. complete

Lowering, laying, and joiting in position, sluice valves flanged of class 1.6PN 400mm dia, including cost of all labour joiting material, including nut bolts and giving satisfactory hydraulic testing etc. complete.

Constructing masonry Chamber 120x120x100 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box 100 mm top diameter, 160 mm bottom diameter and 180 mm deep ( inside) with chained lid and RCC top slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) , i/c necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design; With common burnt clay F.P.S.(non modular) bricks of class designation 7.5

Providing and laying in position cement concrete in Foudation with PCC 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size); for formation of Support Pillars for exposed DI pipelines, as specified and as directed

Construction of Masonry Pillars with common burnt clay modular bricks of class designation 7.5 & Cement mortar 1:4 (1 cement : 4 coarse sand), from PCC top to 200mm below the pipe's lowest surface; for formation of Support Pillars for exposed DI pipelines, as specified and as directed

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering, with 1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size) to encase the DI pipe 200mm from all direction; for formation of Support Pillars for exposed DI pipelines, as specified and as directed

Centering and shuttering including strutting, propping etc. and removal of form work for: concrete encasing the DI pipelines; for formation of Support Pillars for exposed DI pipelines, as specified and as directed.

Providing and completing 12mm thick cement plaster over full pillar including Manonry & Cement Concrete Portions; for formation of Support Pillars for exposed DI pipelines, as specified and as directed.

Providing & Fixing run lead joint for DI/CI pipes and fitting with Spigot & socketed end of 400mm size

Providing & Fixing run lead joint for DI/CI pipes and fitting with Spigot & socketed end of 150mm size

D.I. Socket and flanged fittings :-Providing and supplying D.I. fitting with ISI mark socket pushon joints or flanged joints confirming to table 12 to 31 of IS 9523/2000 upto latest amendments including cost of SBR/ EDPM tyton rings. Fittings should be with internally ordinary portland cement mortor lined and externally metallic zinc coating/zinc rich paint with finishing layer of black bitumen coating including transportation & excluding all statutary duties and taxes such as GST levied by Gol and GoM in all respect etc. complete ; All Socket T-joints (400mm x 400mm x 150mm size) for Air release valve of DI/CI pipes and fitting with S&S ends.

D.I. fittings :Providing and supplying D.I. fittings with ISI mark Mechanical joint confirming to tables 12 to table 31 of IS 9523/2000 upto latest amendments including cost of SBR/ EDPM gaskets, Nuts, Bolts, Washers and Ductile iron follower glands. Fittings should be with internally Ordinary portland cement mortor lined and externally metallic zinc coating/ zinc rich paint with finishing layer of black bitumen coating including transportation and excluding all statutary duties and taxes such as GST levied by Gol and GoM in all respect etc. complete ; Double socket bend 22.50 degree (400mm ) for bends at road crossings of DI/CI pipes and fitting with S&S ends.

D.I. Socket and flanged fittings :-Providing and supplying D.I. fitting with ISI mark socket pushon joints or flanged joints confirming to table 12 to 31 of IS 9523/2000 upto latest amendments including cost of SBR/ EDPM tyton rings. Fittings should be with internally ordinary portland cement mortor lined and externally metallic zinc coating/zinc rich paint with finishing layer of black bitumen coating including transportation & excluding all statutary duties and taxes such as GST levied by Gol and GoM in all respect etc. complete ; Double Socket Tee with Flange branch-PN-10 (400mm x 400mm x 150mm) for sluice valves of DI/CI pipes and fitting with S&S ends.

Dismantling of flexible pavement (bituminous courses) by mechanical means and disposal of dismantled material up to a lead of 1 kilometre, as per direction of Engineer-in-charge; Trench for Water pipeline & Electrical Crossings is to be with width not exceeding 1.0m & depth not exceeding 0.80m

Backfill of road crossing from trench bed to 260mm below the road FRL, by approved quality of sand. The sand layers are to be compacted at OMC with plate/surface vibrator and for layer depth not exceeding 200mm.

Providing and laying in position cement concrete of specified grade, 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size) with layer thickness 100mm, i.e. 260mm below the road FRL as per direction of Engineer-in-charge.

Providing & laying of M-25 concrete on road crossing trench over PCC (1:4:8) with layer thickness 160mm, i.e. 40mm below the road FRL: Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying, admixtures in recommended proportions as per IS: 9103 to accelerate setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge.

Providing and applying tack coat @ 0.75 Kg / sqm using hot straight run bitumen of grade VG - 10, including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as per specifications : as per direction of Engineer-in-charge.

Providing and laying Bituminous concrete using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction and density as per specification, complete and as per directions of Engineer-in-Charge.; 40/50 mm compacted thickness with bitumen of grade VG-30 @ 5.5% (percentage by weight of total mix) and lime filler @ 3% (percentage by weight of Aggregate) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity (all excluding the charges of paver with sensors, as the work of patch repair in nature)

SREE INFRATECH