PROVN OF BOREWELL FOR AF CAMP MUNDRA ROAD AT AF STN BHUJ

Amount

Material & labour for survey of ground water by any government/governent approved agency for identification of suitable site (Point) for location of borewell to achieve good yield of water complete all as specified and directed by Engineer-in-Charge. Note: Cost of T&P mobilization of T&P and preparation of report etc including in the rate complete

Material & labour for pilot/ trial bore of 250 mm dia upto 300 meter depth below ground level in any kind of soil strata including hard stone/ boulder by means of DTH machine/ rotary rig method complete all as specified and as directed by the Engr-in-Charge. Note: - In case the results of the borehole/ strata are found un-satisfactory & the tubewell is not likely to yield the specified quantity of water, the site will be abondoned & filled and no other items shall be executed. Note:- The rate quoted by the tenderer will be deemed to be included for the below provision (a) The pilot bore wells shall be drilled on tentative location as approved by GE. Tentative location which shall be obtained from Geological department of GWS & SB by the contractor. (b) If the yield is insufficient as considered by GE then pilot bore shall be drilled at new place as directed by GE. Payment shall however be made only for drilling as per actual work done. (c) Rig, tools and plants etc required for completion of work and their cartage shall be included in rates quoted. (d) Collection of soil Strata at every 3m depth or change in strata met with during the bore shall be plotted against the depth on a tracing paper in the form of strata chart and blue print in sextuplicate shall be submitted to dept for record cost of the same shall be included in quoted rates. (e) Actual depth of final bore shall be decided based on the result of electro logging and TDS report. (f) Soil / strata testing report shall be done through Geo hydrology department for water aquifier details of the location if required and submitted to the Engineer-in-Charge.

Material & labour for electro logging test of the pilot bore hole by using logger equipment including all necessary arrangements for chemical analysis sample of yield obtained from pilot bore to ascertain potability of water complete all as specified and directed by Engineer-in-Charge. Note : The contractor shall submit electrologging results with recommended bore assembly details in duplicate for approval of GE.

Material & labour for reaming of bore developed at Ser No 2 above of size not less than 675 mm dia suitable for 300 mm dia housing pipe up to 200 meter depth below ground level. The drilling of bore shall be done by combination rig (DTH machine/ Reverse rotary circulation method) by deploying suitable machinery of suitable size & different cutters through any kind of soil boulders,rocks etc including all arrangement for circulation of water using bentonite or silly clay(Quantity/Content mixed as per manufacturer recommendation or as directed by Engr-in-Charge as per site or soil condition including disposal of spoil from the site n. exc 1 KM and site clearance complete all as specified and directed by Engineer-in-Charge. Note:- (i) The cost of mobilisation of rig set with tools and plant assembly, pumps and fittings etc, use and waste of all necessary appliances and materials including levelling dismantling after completion of tube well assembly including testing to entire satisfaction Engineer-in-Charge shall deem to be included in the unit rate quoted by the tenderer. No extra claim what so ever on these account shall be admissible.. (ii) The DTH machine/ Rotary rig should be registered with Central Ground Water Authority.

Material & labour for reaming of bore developed at Ser No 2 above of size not less than 525 mm suitable for 300mm dia housing pipe from 200 Mtr below ground level to 300 Mtr deep below ground level. The drilling of bore shall be done by combination rig (DTH machine/ Reverse rotary circulation method) by deploying suitable machinery of suitable size & different cutters through any kind of soil boulders,rocks etc including all arrangement for circulation of water using bentonite or silly clay(Quantity/Content mixed as per manufacturer recommendation or as directed by Engr-in-Charge as per site or soil condition including disposal of spoil from the site n. exc 1 KM and site clearance complete all as specified and directed by Engineer-in-Charge. Note:- (i) The cost of mobilisation of rig set with tools and plant assembly, pumps and fittings etc, use and waste of all necessary appliances and materials including levelling dismantling after completion of tube well assembly including testing to entire satisfaction Engineer-in-Charge shall deem to be included in the unit rate quoted by the tenderer. No extra claim what so ever on these account shall be admissible.. (ii) The DTH machine/ Rotary rig should be registered with Central Ground Water Authority.

Material & labour for development of tube well with air compressor as per IS : 11189 of suitable capacity till sand/mud free water of potable quality is obtained and to achieve minimum discharging capacity of 36000 LPH/ Max yield complete all as specified and directed by Engineer-in-Charge. Note: - Compressor with accessories and fuel shall be arranged by the contractor and cost there of deemed to be included in the quoted rate

Material & labour for yield testing of the tube well by suitable pump and motor for minimum discharge capaity of 20000 LPH for at least continuous 16 hour uninterrupted of run per day for three continuous days complete all as specified and directed by Engineer-in-Charge. Note : 'V' notch and other equipment including pump set shall be arranged by the contractor and cost of same is to be included in the unit rate quoted

Supply, assembling, jointing and lowering vertically ERW MS casing pipe 300 mm dia of wall thickness 8.00 mm as per IS-4270/3589 and fixing in position (including necessary cleaning internal and external surfaces and painting inside and outside of pipes with two coats of anti corrosive black bituminious paint suitable for drinking purpose in different depth as directed, screwed, socketed, jointing with heavy duty suitable size collar (stiffeners) and necesary electric arc welding conforming to IS-358/.1991 surrounding the entire circumference of pipe with 04 Nos stiffeners of flat iron 40mm x 6mm thick, 300mm long both sides complete.Note : Pipes shall be of length 06 mtr unless required in smaller lengths as per borewell requirement complete all as specified and directed by Engineer-in-Charge.

All per item No 8 here in before but slotted(strainer) pipe of 300 mm dia in lie of casing pipe of 300 mm complete all as specified and directed by Engineer-in-Charge.

Supply & packing pea gravel river washed of sutible size i.e. 4 mm to 8 mm as per IS around the housing/assembly & slotted(strainer) pipe of bore well complete all as specified and as directed (for works involving rotary rig boring) complete all as specified and directed by Engineer-in-Charge.. Note: Measurement of pea gravel shall be taken in measuring box at site & the same shall be recorded in MB duly signed by Engr-In-Charge before packing surrounding the tube well assembly. From the total volume 10 % (Ten Percent) of the volume shall be deducted & net volume there after worked out for the purpose of the payment.

Material & labour for sanitary sealing around the borewell with PCC (1:2:4) type B1 of suitable size using 20mm graded aggregate of size 2 Mtr x 2 Mtr x 1Mtr wth embedded gravel feed pipe 100 mm dia bore GI medium grade of size 2 Mtr long with end cap on both side of bore hole as per IS: 2800(Part-I) complete all as specified and directed by Engineer-in-Charge.

Supply & fixing centering guide made out of 100 x 10 mm MS flat Iron made to shape as per IS 2800 Part-I complete all as specified and directed by Engineer-in-Charge. Note: Centering guide shall be provided for proper alignment of pipe as per requirement of site (minimum 02 Nos)

Supply & fixing well cap for 300 mm bore ERW 8.00mm thick casing pipe made out of MS plate 6 mm thick for covering tube well duly welded with locking arrangement, including making holes for passing flat submersible cable,pipe and support rope complete all as specified and directed by Engineer-in-Charge.

Supply, assembling, jointing, welding and lowering 0.30 mtr long, bail plug made by 300 mm diameter ERW pipe and one end closed by 6 mm thick MS plate welded and fixing in position (including necessary cleaning internal and external and painting inside of pipes with two coats of black paint suitable for drinking purposes) and fixed at bottom of casing pipe plain ended, jointed by suitable size socket with full welding complete surrounding the pipes in both ends to make leak proof complete all as specified and directed by Engineer-in-Charge.

Supply & fix strata sample box with glass cover 3mm thick having internal dimension 1000mm x 600mm x 100mm made out of 20mm thick worught Ist class hard wood shisham with hinges,hasp and staple including polishing complete with samples at various depth every 3 mtr interval met in boring including lithological log strata chart in duplicate complete all as specified and directed by Engineer-in-Charge.

Material & labour for borewell chart on acrylic sheet of size 60cmx30cm duly marked permanent marking including 12mm thick plywood frame, clamps for fixing on wall etc complete all as specified and directed by Engineer-in-Charge.

Material & labour for MS cage of suitable size for submersible pump set fabricating out of MS flat 75 X 10 mm, 4 Nos. vertical and 4 Nos. horizontal supports as in frame work to hold the submersible pump set alongwith column pipes safely including applying with two coats of anti corrosive black bituminious paint over one coat of red oxide primer after preparation of new steel surfaces etc complete all as specified and directed by Engineer-in-Charge.

Supply & fixing of brass air valve of size 25 mm dia bore with required length of PVC pipes, clamps etc complete all as specified and directed by Engineer-in-Charge.

Supply & fix pressure gauge 0 to 25 Kg/cm2 range with necessary siphon and 15 mm dia stop valve including 15 mm dia GI pipe, not exceeding 0.25 Mtr in length, 15 mm brass bib cock on rising main including drilling tapping on GI / CI pipe line complete all as specified and directed by Engineer-in-Charge.

Supply,fix and lowering of HDPE (high density polyethylene) pipe,PE-80 grade, ISI marked, as per IS 4984, PN-16, outer dia of nominal size 4" and wall thickness at end being 15.2 mm to 16.9 mm suitable for bore wells , incl providing suitable size flanged and SS nipple for fixing with submersible pump sets and delivery mains complete all as specified and directed by Engineer-in-Charge.

Supply & fix Non return valve class PN 1.0 of size 100 mm with cast iron body and both ends flanged,IS-5312 marked complete with neoprene rubber gasket,jointing material and incl nuts/bolts/washer of suitable size etc complete all as specified and directed by Engineer-in-Charge.

Supply & fix cast iron sluice valve with flanged ends class I PN-1.0 of size 100mm dia heavy duty ISI marked, drilled type, non raising type : IS- 14846 mark, including iron wheel complete with suitable rubber insertion 3.0mm thick at both ends with suitable MS bolts, nuts and washers etc complete all as specified and directed by Engineer-in-Charge.

Supply, install, testing and commissioning of Submersible pump set including motor electric driven 3 phase 415V AC 50 Hz of discharge capacity 400 LPM at 210 mtr head, 2880 RPM ,SS body with high quality abrasion resistance bronze/stainless steel & dynamically balance impellar ,outlet dia 100mm complete all as specified and directed by Engineer-in-Charge.

Material & labour for borewell earthing with the help of mechanical boring machine of 150 mm dia 12 mtr depth including supply and fix 160 mm dia (O.D),UPVC pipe 6 Kg/sqcm rating -06 mtr long with the help of suitable size clamp with nut bolt and washer -01 No ,supply and fix 12 mtr 50 mm dia GI pipe medium grade lowering in borewell with the help of T & P having suitable hole for providing good condutivity of earthing and M & L for providing 32 X6 mm GI strip up to 7.5 mtr long complete with protected with 40 mm light grade GI tubing and connect with equipment by nut bolt and bore well earthing with the help of suitable size GI nut bolt and washer etc complete. M & L for charcoal ,dust ,salt fill in bore well for earth conductivity M&L for covering of borewell with PCC (1:2:4) typr B-1/Brick masonry pit of size 45x45x45x cm complete all as specified and give the minimum earth result below 1.0 Ohm to provide any chemical etc as required complete all as specified and directed by Engineer-in-Charge. Note: (i) Earth strip and GI protection pipe up to length 7.5m shall deemed to be included in rate of above item.

Supplying laying and testing PVC insulated submersible cable 25 Sq mm 3 core flat LT 1100 volt grade heavy duty ISI marked with copper conductor and overall served with an outer sheath of HDPE pipe tied wirh cable tie or passing through pipes or laid under floor of through walls etc jointing and testing complete all as specified and directed by Engineer-in-Charge.

Material & labour for lowering of polypropolene rope virigin quality and tested 28 mm dia ISI marked, heavy duty grade complete all as specified and directed by Engineer-in-Charge.

Material & labour for construction of valve chamber with MS sheet cover 3 mm thick with angle iron frame of size 50x50x6 mm, double door type and with locking arrangements including excavation and earth work in any type of soil, PCC (1:4:8) type D2 as in foundation, PCC benching 1:2:4 type B-1, PCC (1:5:8) block masonry 20 cm thick in cement mortar (1:6), 10 mm thick plastering in CM 1:4, PCC bed in (1:3:6), painting one coat of red oxide and two coats of bituminous black paint on all steel surfaces all as shown on drawing No. CEAA/TD/57, sheet 1/1 as specified and as directed of followng size size 1500 mm x 1500 mm x 1500 mm type C (internal dimensions).(Note:- Rate of above item shall include the cost of demolition of existing valve chamber) complete all as specified and directed by Engineer-in-Charge..

Material & labour for PCC 1:2:4 type B2 using 40mm graded stone aggregates as in foundation filling and mass concretecomplete all as specified and directed by Engineer-in-Charge.

Supply & fix mild steel framed works as joinst, channels angle or tee sections, fixed independently without connecting plates ncluding welding ,bending cold otr hot ,drilling holes for bolt in any shape or size conforming to FE 410-W (Gde E-250) applying two coats of synthetic enamel paint over and including a coat of red oxide primer complete all as specified and directed by Engineer-in-Charge.

Supply & fix pre- painted galvatume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed by Engineer-in-Charge.

Supply, testing and commissioning of LT electrical out door distribution panel board floor mounted cubical type dust proof, weather proof, vermin proof, astehically designed, having at least IP-54 degree of ingress protection, fabricated from 3.15 mm thick CRCA sheet with front and rear opening including bus bar chamber, continuous GI strip earth bus bar 4 strips of copper bus bar having size 40 mm x 6 mm cross sectional area, insulated color sleeves, epoxy insulators, rail channels cable alloy, danger notice board including provision of angle iron frame of size 40 x 40 x 6mm, 30 cm grouted in ground and 60 cm above GL duly painted including necessary excavation, foundation, PCC etc complete with locking arrangement duly powder coated of approved color connecting incoming MCCB/changover connection withcopper strip & outgoing cable connection with suitable lugs, nuts, bolts, washers and cable joints, prewired complete with PVC insulated fire retardant copper conductor cable complete.The panel shall be comprising of the following:-

Supply & fix ,connecting,testing and commissioning and jointing,LT under ground cable 1100 volts grade,XLPE insulated,armoured with galvanized round steel wire or steel strip, electric power cables heavy duty, with multi stranded aluminum conductor, laid in trenches,ducts,fixed on poles/walls with proper size saddles and clamp laid under roads /path /drain /culverts or encased in GI pipe fixed & testing and commissioning complete all as specified and directed by Engineer-in-Charge. of Size 70 Sqmm 3.5 Core. Note:- (i) Sand cushioning, Cable protection cover, GI pipes, excavation and earth work shall be measured and paid for separately under respective items.

Material & labour for galvanised steel tubes of size 100 mm dia "medium grade" (ISI marked) with all fitting(ISI marked) and fixed complete to walls and ceilings or laid in floor/trenches and under road complete all as specified and directed by Engineer-in-Charge

Excavating in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre deep and getting out in soft loose soil for laying of pipe and cable trenches complete all as specified and directed by Engineer-in-Charge

Excavating in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre deep and getting out in hard/dense soil for laying of pipe and cable trenches complete all as specified and directed by Engineer-in-Charge

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

Removing excavated soil to a distance n.exc. 50 mtr and depositing where directed at a level n.exc. 1.5m above the starting points complete all as specified and directed by Engineer-in-Charge

Supply, spreading and filling of clean river sand spreading leveling in layers not exceeding 18 cm thick as cushioning to cable complete all as specified and directed by Engineer-in-Charge. (NOTE : Punned thickness of dry sand will be measured and paid)

Supply and laying unreinforced precast concrete cable cover,class LV type 1 with flat size 250mm x 150mm x 40mm complete all as specified and directed by Engineer-in-Charge

sudarshan builders (BID ID -3156249)

Vijay Construction Co (BID ID -3156961)

NILESH SUBHASH KARALE (BID ID -3162585)