PROVISION OF BOREWELL AND RAIN WATER HARVESTING SCHEME FOR NTG/NLC COMPLEX/TRIVENI ENCLAVE/VARUNA COMPLEX UNDER GE (NORTH) BENGALORE

Amount

Material and Labour for drilling of borehole through any kind of soil, boulders, rocks etc. for minimum 200 mm bore casing pipe as required at site for a depth up to 50 RM from ground level including disposal of spoil from the site of work complete all as specified and as directed.

All as per Item Sl No 01 hereinbefore but for depth exceeding 50 mtrs & up to 100 mtrs below ground level complete all as specified and as directed.

Electro logging of bore for precise delineation of granular zones & also the quality of ground water including report interpretation complete all as specified and as directed NOTE:- Electric logging shall be carried out by/through an approved Govt Agency.

Supplying and assembling including jointing, lowering & fixing in position ERW casing pipe fine cut of internal dia 200 mm bore of thickness 5.40 mm confirming to IS 4270-2001 (ISI marked) including jointing of pipe by necessary electric arc welding both sides. The pipe shall be duly painted with anti-corrosive paint suitable for drinking water purpose complete all as specified and as directed.

Supplying and lowering PVC slotted pipes of nominal size 180 mm, 6kg/sqcm pressure bearing ISI marked all as directed.

Supply and fixing well cap suitable for 200 mm bore housing pipe made out of 6 mm thick steel plate complete all as specified and as directed. NOTE: After completion of the work well cap will be used to keep the bore well closed until the submersible pumping set is installed.

Material and labour for development of tube well with air compressor of suitable capacity till sand/mud free water of potable quality is obtained (Compressor with accessories & tube etc. shall be arranged by the contractor) complete all as specified and as directed.

Yield test for the bore well by continuous pumping for 8 hours to determine safe pumping yield. NOTE: - Yield test of bore well shall be carried out in the presence of rep of Accepting Officer.

Supply only strata sample box with glass cover 3mm thick having internal dimension 1000x600x100mm made out of 20mm thick wrought Ist class hard wood Teakwood with hinges, hasp and staple including polishing complete with samples at various depth evenly 2 metre interval met in boring including strata chart in duplicate to be submitted complete all as specified and as directed.

Material and Labour for sanitary sealing of tube well with PCC (1:2:4) type B1 of suitable size using 20 mm graded aggregate complete all as specified and as directed.

Collection of water from bore well and doing testing at/from approved Govt lab for potability by doing chemical and bacteriological analysis as per norms of WHO and submission of test reports to the entire satisfaction of Engineer-in-Charge.

Supply, lowering, jointing & testing GI heavy grade column pipe 50 mm bore both ends threaded, ISI Marked with heavy duty socket complete all as specified and as directed

Supply and fixing of flat submersible cable 3 core multi stranded copper conductor PVC insulated, water proof, ISI marked of size 6 sqmm for connecting from starter to bore well submersible pump sets complete all as specified and as directed.

Supply and fixing of steel rope flexible 10 mm dia with GI clamps, nuts, bolts, washer etc for fixing of submersible pump set complete all as specified and as directed

Supply and fixing of mild steel clamp suitable for 50 mm dia column pipe made out of 12 mm thick MS plate fabricated to shape, including drilling holes, nuts, bolts, washers etc complete all as specified and as directed.

Material and Labour for earthing complete with galvanized steel earth plate electrode 600 x 600 x 6.3 mm thick buried directly in ground (in vertical position) earth pit not less than 2.25 metre below normal ground level with the top edge of the earth plate not less than 1.5 metre (B.G.L.) and connected to galvanized iron earth strip 32 x 6 mm by means of bolts, nuts, check nuts, and washer of galvanized iron including PCC (1:2:4) type B1 precast RCC cover slab with suitable handle made of 8 mm dia round bar, including necessary excavation and earth work in any type of soil, 20 mm dia med grade galvanized steel tube for watering with one end fixed with cast iron funnel and wire mesh, 40 mm bore light grade galvanized steel tubing for drawing earth lead GI strip protection & common salt, charcoal in alternate layers etc. complete all as shown in EP No 3 of SSR Part 1 and testing on completion complete.

Supply, jointing, testing and laying in trenches / floor /wall etc pipes galvanized iron "Medium grade" ISI marked with all running fittings of size 50 mm bore complete all as specified and as directed. MAKE : JINDAL/TATA/PRAKASH

Supply, install, testing & commissioning of gun metal globe or gate valve 50 mm dia, ISI marked with iron wheel head, screwed both ends for iron pipe including all necessary accessories complete all as specified and as directed.

Supply, install, testing & commissioning of Non Return Valve 50 mm dia, ISI marked , including all necessary accessories complete all as specified and as directed. MAKE: KIRLOSKAR/LEADER/ZOLOTO.

Supply, install, testing and commissioning of multi stage submersible pump set 10 HP Capacity with bronze impeller, directly coupled with motor, suitable for 150mm bore slotted PVC pipes yeild operated on AC 3 phase, voltage range 300V-440V, 50 Hz. The motor casing shall be of stainless steel, pump shaft / motor shaft shall be of stainless steel, pump bowls shall be of high graded cast iron complete all as specified and directed. The pump and motor shall comply to all the requirements of relevant IS. Note: -Pump capacity shall be finalized after boring work. Make-Havells, Model no - 50H6W16R5D100T, Min discharge 80 Ltr/min of 220 mtr head pump & motor: - HAVELLS/Kirloskar / KSB/CG/CALAMA.

Supply and laying, jointing & testing cable XLPE insulated, armoured and PVC sheathed LT 1100 volts grade and aluminum conductor confirming to IS 7098 Part - I 1988 laid in trenches/through pipe/floor/fixed wall etc complete all as specified and directed for size of cables 35 Sqmm 3½ core. Note: Excavation, earth work, sand cushioning, cable cover, returning/filling will be measured & paid separately.

Material and Labour for excavation in trenches in hard/dense soil not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth for foundations, laying of cables/errection of pole etc complete all as specified and as directed.

Material and Labour for returning, filling in trenches including spreading leveling watering and well ramming in layers with hard/dense soil not exceeding 25 cm thick in each layer complete as specified and as directed

Material and Labour for removing excavated soil to a distance not exc 1.5 metre above the starting point complete all as specified and as directed

Material and Labour for sand cushioning with a layer of M sand 23 cm thick under and above the cable complete all as specified and as directed

Supply and Laying of sub class burnt bricks for cable protection complete as specified as directed

Material and Labour for Plain Cement concrete in foundations, filling and mass concrete type D-2 1:4:8 (40mm graded aggregate) all as specified and as directed.

Material and Labour for Pre-cast cement concrete block masonry in PCC 1:3:6 type C1 using 20mm graded aggregate with solid block, exceeding 10cm in width setting in CM 1:4 complete all as specified and as directed.

Material and Labour for PCC type B-0, 1:2:4 (12.5 mm graded aggregate),coping, rounded or roof padding /staging of water tank including necessary formwork ,weathering, slightly rounded or chamfered angles and throating complete all as specified and directed by Engineer-in-Charge.

Material and Labour for rendering 10mm thick in CM 1:4, on fair faces of brickwork / block masonry or concrete surfaces finished even and without using extra cement complete all as specified and as directed by the Engineer-in-Charge.

Material and Labour for Plain cement concrete type B0, 1:2:4 (12.5 mm graded aggregate), as in surface channels and drains complete all as specified and directed by Engineer-in-Charge.

Extra for forming fair finished drain or channel 45cm inner girth in cement, including forms, moulds, mitred /stopped ends complete all as specified and as directed by the Engineer-in-Charge.

Material and Labour for such as grills, gratings, barred iron doors, ladders framed shouldered and or not riveted or forged into spikes, framed guard bars ladders; framed balusters; walk ways; railings; framework of water tanks and similar works conforming to FE 290 Gde -E-165 complete all as specified and as directed

Preparation of new or previously untreated steel surfaces & applying a two coats of synthetic enamel paint over a coat of red oxide primer over 10cm in width or girth, not otherwise described complete all as specified and as directed

Excavation over areas, not exceeding 1.5 m deep and getting out in hard / dense soil etc complete all as specified and as directed

Excavation over areas exceeding 1.5 m but not exceeding 3.0 mtr deep and getting out in hard / dense soil etc complete all as specified and as directed

Excavation over areas exceeding 3.0 m but not exceeding 4.5 mtr deep and getting out in hard / dense soil etc complete all as specified and as directed

Excavation over areas exceeding 4.5 m but not exceeding 6.0 mtr deep and getting out in hard / dense soil etc complete all as specified and as directed

Material and Labour for broken stone or boulder in loose filling with aggregates of gauge 40 mm to 80 mm size as in filling in rain water harvesting pit etc complete all as specified and as directed.

Material and Labour for broken stone or boulder in loose filling with aggregates of gauge 80 mm to 150 mm size as in filling in rain water harvesting pit etc complete all as specified and as directed.

Material and Labour for 75mm thick plain cement concrete 1:3:6 type C-1, (using 40 mm grades stone aggregates) as in plinth protection laid in panels including necessary form work ,finished rough surfaces of concrete etc complete all as specified and as directed

Supply and Fixing of 110 mm dia PVC (SWR) Pipe single socketed in any length with rubber ring joint laid in trenches including jointing with solvent cement complete all as specified and as directed

Supply and Fixing of 110 mm dia PVC (SWR) bends in any radius complete all as specified and directed.

Material and Labour for Reinforced cement concrete 1:2:4 type B-1 (using 20mm graded stone aggregate ) as in cast-in-situ slabs including necessary framework in C.M 1:4 etc complete all as specified and as directed Note : Reinforcement will be measured and paid for seperately.

Material and Labour for TMT bars 10 mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia, or securing with clips etc complete all as specified and as directed.

VIKAS CONSTRUCTIONS

B5BUILDING SOLUTIONS