|
| 1 | Conducting Geo-hydralogical/Geo-physical ground water investigation survey at Naval HQ Delhi Cantt Area,through Government local bodies like central water commisssioner or any authorised surveyeror any state/central Ground Water Boards for location of borewells with four alternative locations of various yields.The report from the concerned department shall be submitted to Engineer-in-Charge. Based on the report, the contractor should give the proposal for appropriate location which shall be approved by the Garrison Engineer.Note :- All expenses involved for getting done the Geo-hydrological/Geo-physical ground water investigation survey through local body including inspection fees, fee for submission of application and other incidental charges if any, as required by the local bodies at various stages are to be included in the unit rate quoted by contractor. |
| 2 | Removal of existing submersible Pump from the non working bore including the removal of column pipe upto the depth of submersible Pump, Electrical cable etc and filling the bore hole with clay ball, Sand, soil as required for the complete sealing of the bore. The cement concrete platform of 0.6 Mtr x 0.6 Mtr x 1.0 Mtr shall be casted on the top of the filled bore.Note :- (i)The contractor may check the feasibility for the removal submersible pump & column pipe upto the depth of installedsubmersible pump. The quote rate should be inclusive of the same.(ii)The payment will be made only after successful execution of the complete item |
| 3 | M&L for Trial bore of 200 mm dia upto 200meter depth below ground level in any kind of soil strata including hard stone/boulder including electric logging, MS cap, MS flat iron clamps, reducing socket etc, all as specified and directed. |
| 4 | Development of trial bore by reaming in following step:- |
| 5 | Reaming up to 525 mm for 60 RM from ground level including casing pipe of 200mm dia and thickness 8mm and pea gravel. |
| 6 | Reaming up to 525 mm from depth exceeding 60 metre to 200 meter including casing pipe of 200mm dia and thickness 8mm and pea gravel. |
| 7 | M&L for Developmentof tube well with compressed air and after with 25 % extra capacity pump by pumping muddy water. Note :-Development with compressed air by means of air compressor of suitable capacity not less than 1000 PSI and over pumping using suitable capacity pump until sand free water is obtained.The compressor/pumping set/ equipment for testing as required shall be arranged by the contractor.Vertical test of tube well housing up to reducer position plumb and alignment immediately after lowering the house in pipe and before commencement for gravel packing by tripped and plumb complete.Chemical & bacteriological testing of water sample from approved laboratory to ensure portability of water.No extra payment will be done on this account. |
| 8 | Supplying, lowering & fixing into bore 200 mm dia MS slotted pipe, heavy duty as per IS-3589, minimum 5.0 mm thick ERW having Duly welded both sides socketed ends complete all as specified and directed |
| 9 | Yield testing of tube well by contineous run with suitable equipment all as per IS-2800 part-II of 1979 including complete testing of water suitable for drinding purpose as per IS-10500 of 1991 from testing Laboratory approved by GE and report shall be submitted to GE.The well shall be tested 24 hours continuous after development of the well to acertain the yield.The air compressure/higher capacity pump required for the development of the well by means of over pumping shall be arranged by the contractor at his own arrangement. |
| 10 | Supply and fixing of column pipe made out of GI pipe made out of GI heavy grade 80mm nominal bore each 3 Mtr length including flange duly welded with web complete all as specified and directed. |
| 11 | Supply, layingjointing, testing100 mm DIpipe with class-K-7 spigot socketed ends , conforming to IS-8329 laid in trenchesincluding providing route indicators of suitable height and laying at spacing of @ 50m center to center at GL mentioning name of contractor, date of execution & CA No with name of work & rubber gasket (Tyton) joints with jointing material & route indicators of the following sizes complete all as specified and directed by Engineer-in-Charge. Note 1: - Excavation & earth work shall be measured and paid seperately under respective items of BOQ.Note 2:- Contractors will provide route indicators mild steel body with top 150 mm plate 3mm thick and height not less than 300mm above finished GL at suitable intervals as directed by EIC. Cost of route indicators shall be deemed included in quoted unit rates.Note3:- Layout plan for laying of DI pipe shall be given by EIC in writing.Note4:- Cost of Rubber gasket joints (Tyton Joint) included in quoted unit rates.) |
| 12 | Supply, fixing, jointing and testing 100mm cast iron Sluice Valve, ISI Marked, flanged ends drilled pressure rating PN-1.6, Confirming to IS 14846 -2000, having stainless steel spindle with cast iron operation wheel at top connection complete all as specified and directed at site by the Engineer-in-Charge. |
| 13 | Supplying, fixing, including jointing and testing of100mm Cast iron Non Return valve without by pass arrangement , Swing type, confirming to IS 5312, flanged ends pressure rating PN 1.6 connection complete all as specified and directed at site by the Engineer-in-Charge. |
| 14 | Supply, connect, lowering, testing and commissioning Energy efficient Submersible pump set completeof capacity 200 LPM, 120 M head with suitable cap of electric motor but not less than 12.5 HP capacity, electric driven 415V TP of following capacityor nearest higher with stainless steel body andimpeller, diffuser & diffuser casing complete with MS iron hooks -02 Nos welded at the top of motor head suitable to tie SWR rope for anchoring complete all as specified and directed . |
| 15 | Supply, laying jointing and testing LT XLPE under ground cable PVC insulated armoured heavy duty 1100 volts grade sheated35 sq mm 3.5 core, aluminium conductor including connection to panel at incoming and out going using aluminium lugs complete all as specified and directed by Engineer-in-Charge. |
| 16 | Material and labour for Earthing complete with GI earth plate electrode 60 cm x 60cm x 6.0mm thick buried directly in ground vertically to a depth not less than2.25 mtr below ground level with top edge of the earth plate at a depth not less less than 1.6 mtr below normal ground level surrounded form all sides by 15 cm thick and packed layer of charcoal dust and salt and common salt fitting in alternater layers and elsc connection by using GI strip 25 x 4 mm by means of bolts, nuts, check nuts & washers of galvanised iron and protected by light grade 40 mm dia GI pipe connected to main switch board of main control board and GI pipe light grade 20 mm dia for watering and including funnel, wire mesh, PCC pit cover and PCC chamber pit with PCC 1:2:4 type C2 incldinging excuvation and earth work, disposal of surplus soil to a distance not exceeding 50 mtr all as specified and shown in elecrical plate No.3 of SSR Part 1 complete all as specified and directed.(Note :- 1. Excavation & earth work shall be deemed included in quoted unit rate.2. GI earth strip 25x4mm of upto 7.5 Rm length from test point shall be deemed included in quoted unit rate. |
| 17 | Supplying & fixing well cap suitable for150 mmbore well diaconsisting of two parts complete withwelding and machinery work having provison of cut out for passing of column pipe and fabricated from MS sheet 3.15 mm thick complete all as specified and directed by Engr-in-Charge. |
| 18 | Supply & fixing housing clamp for 150 mm dia bore pipe made out of flat MS 150x12 mm thick (length 80 mm) with 4 Nos 20 mm dia of suitable size of bolt, nuts, washers etc including drilling holes of suitable sizes and painting 2 coats of synthetic enamel paints over a coat of red oxide primer complete all as specified and directed by Engineer-in-Charge |
| 19 | Excavation in trenches not exc. 1.5 m wide and not exc. 1.5 m in depth for laying of CI pipes/GI pipes and getting out in hard /dense soil incl. , trimming the sides and forming bottom surfaces to required level complete all as specified and directed by Engineer-in-Charge. |
| 20 | Returning filling in, including spreading, leveling, watering and well ramming in layers not exc. 25 cm thick complete all as specified and directed. |
| 21 | Removal of excavated material from site to a distance not exceeding 50 meters away and depositing where directed at a level not exceeding 1.5 meters above the starting pointcomplete all as specified and directed. |
| 22 | Supply & fixing of sand in trenches using clear dry Yamuna sand unwashed including gently punning around cables complete all as specified and directed.(Note :- Punned depth shall be measured and paid). |
| 23 | Material and labour for well burnt Sub class \"B\" bricks for UG cable protection laid in across the cable above the sand cushioning complete all as specified and directed. |
| 24 | Supply, connecting, testing and commissioning cable submersible with copper conductor 3 core 1100 volts grade 10 Sqmm nominal cross sectional area stranded conforming to relevant IS complete as specified and directed by Engineer-in-Charge. |
| 25 | Supply, installation , commissioning and testing of factory madeLT panel boardof suitable size double door, outdoortype, floor mounted, dust, weather and vermin proof, 415 volts, 3 phase, wire, 50 Hz AC supply,powder coated internally and externally made out of3.15 mmthick outside body andinside body 1.6mmthick steel sheet withlocking arrangement, front side and rear side opening arrangementincluding mounted on Angle iron stand of size 50x50x6mm having minimum height from ground level 450mm , duly grouted or welded on floor. Aluminium bus bar TPN of 300 A forall feeders to accommodate and including following items :- |
| 26 | (a)Incoming MCCB160 Amp35KA, with adjustablethermaland magnetic release, 4 pole -01 No.(b)Outgoing MCCB63 Amp 35 KA,with adjustable thermaland magnetic release 3 pole -02 Nos.(c ) FASD starter suitable for motor of capacity of 12.5 HP , 3 phase, AC, 415 Volt, complete - 02 No.(d) LEDRYB indication for each incoming & outgoing supplies- 03 Sets(e) DigitalVoltmeter, 0-500 Volt meterwithselector switch-01 Set(f) DigitalAmpere meter, 0-300Ampwithsuitable size of CT selector switch-1Set (g)Termination of all cables with suitable size thimble and gland- 1 Job |
| 27 | (h)Wireless Water Level Controller Unit: Supplying, Installation, Testing & Commissioning of 230V AC operated Wireless Water Level Controller Unit with water level indicator by 7 Segment LED display (56mm height) to indicate water level of single/multiple Overhead or Underground tanks (Maximum 6 Tanks) in percentage with 1% esolution. It will receive water level data wirelessly from Level Transmitters and operate motor (Single/ Dual) accordingly to the set configurations. It will also indicate the flow status, motorized valve status and Audio/ Visual alarm for Overflow alert. Full, Low and Overflow limits for each tank is configurable independently. It will have modbus output for BMS system/ GSM Gateway/ other devices. It consists multiple safety features like high/ low voltage, dry run protection, max run time, minimum number of valves to operate, pipe line pressure etc. It also consists timer based operational features. (Only controller unit without transmitters. Water level data Transmitters unit will be charged separately) - 01 Each Make ;- Equiberrium or equivalent |
| 28 | (i) Ultrasonic Level Sensor with wireless data transmitter: Supply, Installation, Testing & Commissioning of 5V operated Ultrasonic sensor with wireless transmitter unit to measure water level and send the data wirelessly to remote alarm/ controller unit. It consists RF based ultra low powered wireless water level data transmitter (minimum 15dBm power) operating in frequency band 865~868mHZ, confirming to EN 300 220 and ingress protection IP68. It will collect data from ultrasonic sensor and transmit water level data in percentage to controller/ indicator. (A) with maximum measuring range 5.00 mtr.-01 EachMake ;- Equiberrium or equivalent |
