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| 1 | Site survey for identification of suitable location (point) of good yeild ground water for bore well at NCC Directorate from Central Government/ State Govt or approved company in presence of Engr-in-charge and submit the detailed report. |
| 2 | M&L for drilling 250 mm dia trial bore by DTH method in all types of strata up to 200 m depth, including V-notch yield recording, aquifer/ horizon marking, drill time log, strata sampling at each 3 m depth or change in strata, litho log, aquifer performance with drawdown & recovery completed to standard, tested, conforming to IS 2800 (Part‑1). Rate inclusive of rig mobilisation, consumables, bore stabilisation, documentation. |
| 3 | Supply, lowering, assembling and fixing 200 mm OD steel casing pipe (Class-B), 8 mm wall thickness, male-female ends, seam welded couplers, internal 2-coat epoxy anti-corrosion painting, leak tested, welded and commissioned in bore hole, conforming to IS 4270:1983 all as specified and directed by Engr-in-Charge. Make: Jindal Panther, Tata Steel, Prakash Surya, |
| 4 | Supply, lowering and fixing 200 mm OD slotted casing (factory precision-slotted for aquifer zone, deburred and corrosion-painted internally), lowering and fixing complete including pea-gravel annulus packing, horizon tagging complete all as specified and directed. |
| 5 | M & L Holding Down Clamps (Set of Two), made from 100 mm × 10 mm MS flat, 600 mm long, bent to pipe profile, fixed with 4-bolt assembly (HV galvanized), spring & flat washers, installed for 65 mm dia housing pipe holding, positional alignment, complete all directed and installed. Bolt hardware quality: HV grade galvanized fasteners complete all as specified and directed. |
| 6 | M&L Mild-Steel Well Capping (200 mm Housing Cap), 5.4 mm thick heavy duty steel, full circumferential weld, mechanically tightened, corrosion-protected, and fixed at bore head complete all as directed. |
| 7 | Tube well flushing by compressed air followed by over-pumping test using 25% higher capacity discharge pump (aquifer stabilisation), till sand tolerance ≤20 PPM at 20 minutes of pump discharge, including documentation complete all as directed. |
| 8 | Supply only strata sample box with glass cover 3 mm thick having internal dimension 1000 × 1000 × 200 mm made out of 20 mm thick wood with hinges, hasp & staple including polishing complete with sample at various strata met in boring including strata chart in duplicate complete all as specified and as directed. |
| 9 | Yield testing by pumping for 16 hours under continuous discharge to determine safe pumping yield at designed flow, including drawdown and recovery read logs, complete all as directed and documented |
| 10 | Water portability testing (Essential parameters) including chemical + bacteriological analysis from approved NABL lab, sample collection, chain-of-custody, report submission complete all as specified and directed. |
| 11 | Supply & installation of DOL Starter Panel (Outdoor, 3-phase, 7.5 HP) modular sheet-steel enclosure, vermin & dust proof, front opening, lockable, CT based ammeter, digital multi-function meter, single-phase, overload & dry-run protection complete. |
| 12 | INCOMMING :-(a) MCCB, 4 pole, 415 Volt, 63 Amps, 16 KA - 01 No(b) 3 Phase LED Voltmeter, class - 0.5 - 01 No(c) 3 Phase LED Ammeter, class -0.5 - 01 No(d) LED Indicator lamp in three colour RYB - 01 SetOUTGOING :-(a) MCCB, 3 pole, 10 KA c Curve 415 volts, 40 Amps -01 No(b) Single Phase preventer relay type Sz% (6wire), 415 volts -01 No(c) DOL Starter 7.5 HP - 01 No |
| 13 | Supply & fixing HDPE heavy duty column pipe in Bore well internal dia 50mm PN 16kq/Sqmm including all necessary fittings and fixtures as requited for fixing with submersible motor Complete all as specified and directed. Note: Quoted rate inclusive of fixing of pipe with submersible motor and lowering in existing bore well complete all as specified and directed. |
| 14 | S&F reflex valve (NRV) both end flanged size 50 mm (ISI marked) without by-pass arrangement and including jointing materials, commissioning and testing complete all as specified and as directed. |
| 15 | S&F 50 mm gun-metal Gate Valve, both-end screwed, with iron wheel head, heavy-duty reflux-resistant flow-control valve, including necessary jointing materials, tightening, fixation, operational testing, leak testing after installation, and GE certification complete as specified, directed and approved, conforming to IS 778. |
| 16 | Supply, install, testing & commissioning submersible pump capacity 200 LPM (litres per minute) 250m head 3 phase suitable for 150mm bore well complete all as specified and as directed. |
| 17 | Supply, laying, termination, testing and commissioning of 3 core × 6 Sq.mm Submersible Flat Cable, 1100 V grade, multi-stranded flexible copper conductor, PVC insulated and PVC submersible-duty sheathed, ISI marked, suitable for continuous underwater operation inside bore well column pipe. Work includes cutting to length, pump-side lowering, control-panel gland termination with waterproof glands, ferrules/lugs, waterproof joint kit, insulation resistance (IR), continuity and on-load pump testing, and GE certification complete all as specified and directed..Make: KEI Industries, Polycab or equivalent approved |
| 18 | Supply, laying and testing cable XLPE Insulated , screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 25 sq mm 4 core complete all as specified and directed. |
| 19 | S&F Bleaching DOSING SYSTEM consisting of FRP tank with lid & level gauge along with agitator and shaft & blade in plastic mounted on tank. The agitator motor must possess following specifications: Supply - 220 +/- 10% Volts, single phase, 50 +/- 5% Hz, RPM - 1440, 4 no. of 7 mm dia holes at PCD 150 mm. The accessories in the dosing system must consist of the following: (a) Preparation tank: (i) Tank capacity 170ltr, (ii) Water inlet line (iii) Outlet with strainer (i). Drain, (v) Overflow (vi) Conical bottom for sludge disposal, (vii) Port hole with cover (viii) Level Gauge (ix)Agitator: 120 Watts, RPM 1440, single phase flange mounted motor with plastic shaft & impeller (b) Service Tank: (i) Tank capacity 100ltr (ii) Water inlet (iii) Dosing Pump mounting provision on lid / wall (iv) Drain (v) Overflow (vi) Level Gauge (vii) Inspection Port Supply and fix bleaching dozer bucket type of capacity 105 Litres. |
| 20 | M&L for earthing complete with Galvanised steel earth plate electrode 60cm x 60cm x 6.3mm, buried directly in ground(earth pit not less than 2.25 mtr deep below ground level) with top edge of the plate not less than 1.5m below ground level connected to and including GI wire 4 mm protected with GI medium grade pipe 15mm dia for earth electrode up to test point or up to 7.5 mtr whichever is less by means of bolts, nuts, check nuts and washers all shown in electrical plate No 3 (of SSR part-I) connected to earthing test point all as specified or indicated including provision of necessary excavation and earth work of any type of soil, PCC pit , RCC cover, 50mm thick with 8mm dia TMT bar @ 100cm c/c both way , 40mm bore light grade watering pipe, water funnel, 40mm bore GI medium grade protection pipe, common salt, charcoal dust, returning filling, in of soil, removal of soil to a distance of not exceeding of 50 mtr etc., including testing on completion complete all as specified shown in drawing.Note: Resistance limit of earthing shall be less than 1 ohm. |
| 21 | Cutting existing CI/DI/GI pipes for alterations or additions if necessarily/ insertion of tees, done in position without taking down of size up to 80 mm dia bore. |
| 22 | Supply and lay pipe galvanized, “Medium class”, including fittings of Following Sizes laid in trenches or fixed on wall/ floor as specified and directed by Engr-in-Charge. |
| 23 | 50 mm dia |
| 24 | 40 mm dia |
| 25 | 25 mm dia |
| 26 | 20mm dia |
| 27 | Supply and Fix Gunmetal Gate or Globe valve with iron wheel head, screwed both ends, ISI marked Heavy duty fixed to GI pipes suitable of the following size complete all as specified and as directed :- |
| 28 | 50 mm dia |
| 29 | 40 mm dia |
| 30 | 25 mm dia |
| 31 | 20mm dia |
| 32 | Cutting the existing road straight by manual, depth and width not less than 60 Cm for pipes up to 150 mm dia, and filling back with excavated soil up to 75 % road portion and 25 % shall be made with cement concrete 1:2:4 (using 20 mm graded aggregate stone complete all as specified and directed. |
| 33 | M & L for construction of new valve chamber 60x60x60 cm inner dimensions, brick masonry in cm 1:4 PCC base in 1:3:6 of 7.5 cm thick & plastering 15 cm thick in CM 1:4 in inner side/ coping of all chamber fabrication of Iron frame 40x40x6 mm size angle iron MS cover 3 mm thick with hinges and locking arrangements duly painted excavation, earth work all as directed. |
| 34 | M&L in replacement of earthing complete as per electrical plate No. 3 of MES SSR Part-I with galvanised steel earth plate electrode 60cmx60cmx6.0mm thick, buried directly vertically in ground in a pit depth not less than 2.25 metres below ground level with top edge of earth plate at a depth not less then 1.5 metre below normal ground level connected to and including galvanised iron earth strip 32 mm x 6 mm by means of bolts, nuts check nuts and washers of galvanised iron or steel. Earthing strip shall be protected by galvanised iron or steel pipe 40mm bore light grade and connected pole / test point. Watering pipe shall be 20 mm bore GI medium grade. The earthing shall be of inclusive of excavation & earth work in any type of soil, (in any type of strata) charcoal, salt, funnel PCC pit and RCC cover complete all as specified & tested complete. Note:-(i) GI strip 32 x 6 mm up to 7.5 mtr length shall be deemed to include in this items rate. (ii) On testing after completion if the desired earth resistance is not obtained the earthing will be redone at no extra cost by the contractor. |
| 35 | Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth and getting out in hard/ dense soil for foundation of poles, structures, stay rods, laying of underground cable etc. complete all as directed by Engr-in-Charge. |
| 36 | Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm in soils complete all as specified and directed. |
| 37 | Removing excavated material (soils) n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and directed. |
| 38 | Spreading riddled earth (after preparation of excavated earth) in Cable duct with sand cushioning of cable laid in trenches complete all as directed by Engineer-in-Charge Note:- Punned thickness 18 CM(6.25 Cm below cable and 11.75 cm above cable) will be measured for payment purpose. Quoted rate inclusive of all arrangement as mentioned. |
| 39 | Supply and Laying bricks, common burnt clay building bricks, sub class \"B\" of size 230 x 115 x 75 mm laid across in trenches for cable protection complete all as specified and directed. |
| 40 | Cutting existing CI / MS / DI pipe line for insertion of new tees, collars for branch connections complete all as specified and directed for 150 mm diaNote: CI /DI specials, Joints and Earth work shall be measured and paid separately under relevant items of this schedule. |
| 41 | Supply, laying and testing of CHLORINATED POLYVINYL CHLORIDE (CPVC) PIPES (SDR-11) Pipes & fittings ISI marked as per IS:15778, Pressure bearing capacity 23°C is 28.12kg/cm² ² & at @82°C 7.03kg/cm² , UV stabilized, leak proof, tough, rigid and One step CPVC yellow solvent cement to be used for pipe & fittings up to 50 mm , The rate below includes all plain CPVC fittings and pipe cutting fixing with CPVC solvent cement and testing laid in trenches of following sizes (Outer diameter). |
| 42 | 25 mm dia |
| 43 | 50 mm dia |
| 44 | CPVC Ball Valve 25mm dia |
| 45 | CPVC Ball Valve 50mm dia |
| 46 | Supply and fixing DI D/F Gate valve150mm dia (Soft Sealed) Resilient Seated Soft Sealing gate valves(Sluice valves RAISING TYPE ) with body bonnet of ductile cast iron of grade GGG-40/SG- 400/15 or GGG-50/SG-500/7 or equivalent grade as per IS 3896 - Part 2- 1985 and subsequent revisions, Wedge fully rubber lined with EPDM Food grade quality and Seals of NBR and the valve should be vacuum tight and 100 % leak proof with face to face dimension as per BS 5163-89/IS 14846-2000/DIN 3202 F 4. and Valves should be electrostatic powder coating both inside and outside pocket less body passage class PN 1.6 including all jointing materials (Gasket , Nut bolts etc.) connecting and testing complete all as specified and directed. |
| 47 | S&F CI / DI specials such as bends (any type, radius or angle) tapers any type (Straight, bend, increase, decrease or double socket etc.) tee pieces, single \"Y\" branch, double branch cross (all sockets, socket and spigots, collars, cap plugs etc. up to 150 mm bore complete all as specified and directed. |
| 48 | Core cutting / drilling of Bldg. Roof / Wall for passing of GI Pipe up to 40 mm dia including necessary machineries complete all as specified and directed |
| 49 | M&L for Construction of new PCC solid Masonry valve chamber of size 900 X 900 X 900 mm (Internal dimensions) with PCC foundation 1:4:8 type D2 using 40 mm graded stone aggregate 150 mm thick 150 mm wide off sets around over 100 mm thick hard core , 200 mm thick PCC solid block walls built in CM 1:6, 50 mm thick PCC 1:2:4 Type B1 coping finished even and smooth, rendering 10 mm thick in cement mortar (1:6) finished even and smooth, without using extra cement internally including top of floor including excavation earth work in hard/Dense soil 3 mm thick MS sheet cover fixed on 40 mm X 40 mm X 6 mm thick angle iron frame with hold fasts embedded in PCC coping with locking arrangement, mild steel handle and painting to steel surfaces with two coats of synthetic enamel paint over one coat of primer including disposal of surplus soil to a distance not exceeding 50 m etc. complete all as specified and directed. |
