CWE/AF AMB/AMB-04/2022-23 COMPLETION OF INCOMPLETE WORK OF SPECIAL REPAIR / REPLACEMENT OF BER BOREWELL NO 18 ON STAFF ROAD AT AF STATION AMBALA

Amount

Drilling trial bore hole by direct or reverse rotry combination rig plant and equipment through any kind of soil/rock strata by drilling not less than 250mm bore hole upto 350 mtr depth below ground level including disposal of surplus soil to a distance not exc 50 mtr away complete all as specified & directed. NOTE : - (Applicable for serial No 1 to 3: ) 1. Direct drilling or reverse rotary combination rig plant of suitable capacity along with necessary tools/equipment for drilling bore well shall be arranged by contractor under his own arrangement Hire charges for the Rig Plant and its transportation to site and removing from site after completion of the job work shall be deemed to be included in the rate of item as quoted by contractor and nothing extra shall be paid on this account. NOTE: - The contractor quoted rates against these items shall be deemed to be included for removable /disposal of retrieved soil/spoil etc to a distance not exc 50 mtr from the starting point (ii) The work will be carried out at four different location as directed by GE/Engineer-in-Charge.

Expanding trial bore by drilling by direct or reverse rotry combination rig plant and equipment through any kind of soil/rock strata by drilling not less than 680mm bore hole upto 120 mtr for 350 mm casing pipe from ground level including disposal of surplus soil to a distance not exc 50 mtr away complete all as specified & directed.

Expanding trial bore by drilling by direct or reverse rotry combination rig plant and equipment through any kind of soil/rock strata by drilling not less than 525mm bore depth exceeding 120 mtr for 250 mm including disposal of surplus soil to a distance not exc 50 mtr away complete all as specified & directed.

Supply, lowering and fixing into bore hole 350mm bore dia MS casing pipe ERW, 8mm wall thickness in six metre length having threading and welding at both ends externally complete all as specicied and directed.

Supply, lowering and fixing into bore hole 250mm bore dia MS casing pipe ERW, 8 mm wall thickness in six metre length having threading and welding at both ends externally complete all as specicied and directed.

Supply, lowering and fixing into bore hole 250mm dia SS slotted pipe , 8 mm wall thickness having longitudinal slotes of 1 mm width cut into the pipe including fixing/jointing to the casing pipe by threading and welding as per the strata and ground requirement complete all as specified and directed.

Supply, fixing and lowering of centering guide into bore well made out of flat rings, ribs suitable for 350/250 mm nominal bore MS casing pipe complete all as specifcied and directed.

Supply & fixing socket of size 350mm for connecting casing pipe complete with proper welding/ threading complete all as specified and directed

Supply & fixing socket of size 250mm for connecting casing pipe complete with proper welding /threading complete all as specified and directed

Supply and fixing MS reducer of size 350x250mm (nominal bore) having wall thickness 8mm screwed at both ends with & including necessary fittings and jointing at appropriate length complete all as specifcied and directed.

Supply and fixing well cap suitable for 250mm nominal bore casing pipe having internal and external threading with rings, ribs and welded iron handle complete all as specifcied and directed.

Supply and fixing housing clamp of suitable length/width made out of 20mm thick MS plate suitable for 350/250 mm nominal bore MS casing pipe with and including necessary bolts, nuts and twin washers, at ground level embedded in PCC block complete all as specified & directed . Note : - Payment for PCC block shall be made for separately.

Supply, lowering and packing pea gravel of size 2mm to 2.5mm duly screened and washed around casing pipe and slotted pipes in the above hole complete all as specified and directed. Note: - For the purpose of measurement gravel brought by the contractor shall be stacked properly at site & measurement of stacks shall be recorded before use and after use (left unused) to arrive at the net quantity of gravel used.

Development of tube well bore by compressor of capacity not less than 1000 Cum/hr and 600 PSI till clear water is obtained, including stabilization of the tube well and also including carrying out yield test indicating static water level, draw down complete all as specified and directed.

Development of tube well bore by heavy duty submersible pumps set of capacity not less than 20000 GPH so as obtain sand/silt free water upto 20 PPM in 20 minutes (Test record for the same duly signed by contractor & Engr-in-Charge shall be kept on record) complete all as specified and directed.

Fabrication & supplying of strata sample box overall size 1200x750x100 mm made out of 18 to 20mm thick veneered particles board, frame of aluminium angle of size 25x25x2 mm having 20 Nos partitons of size 150x100x100 mm made with 12mm thick commercial quality plywood and 25x25x2mm aluminium angle bearers, with and also including sliding type sheet glass 5mm thick cover with suitable size aluminium charfel frame alround 2 Nos keyholes made out of aluminium plate of size 40x25x3mm aluminium handles and painting with and including 2 coats of synthetic enamle paint over a coat of primer after preparation of surface complete all as specifcied and directed including writing name of the tube well, location and strata samples with depth complete all as specifcied and directed. Note: Strata samples and strata chart shall be provided by contractor alongwith the strata sample box without any extra cost to the department complete all as specified and directed.

Supply only drawing of assembly lowered alongwith bore well details on full scape size paper duly laminated and framed on and including 10mm thick veneered particle board, commercial quality complete all as specified and directed.

Testing of water sample for potability by chemical analysis as well as bacteriological potability from Govt Laboratory and submission of the report complete all as specifcied and directed.

Electronic logging by means of electric logger for the total depth of tube well submission of 4 copies of logging sheet alongwith one original copy and its interpreation complete all as specified and directed

Material and labour for PCC 1:2:4 type B-2 using 40mm graded stone aggregate as in filling all around MS casing pipe below ground level to a depth as foundation / block etc including necassary from work for PCC Block complete all as specified and directed.

Supplying, lowering, jointing and testing of PVC insulated, multristranded copper conductor 16 Sqmm (nominal area), 3 core flat submersible cable and connected to Submersible pump set & LT panel board complete all as specified and directed

Excavation in trenches not exc 1.5 meter deep and not exceeding 1.5 mtr wide in soft/loosed soil including getting out soil complete all as specified and directed

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exc 25 cm thick in soft/loose soil complete all as specified & directed.

Removal of surplus excavated soil to a distance not exceeding 50 meter and depositing where directed at a level not exc 1.5 mtr above starting point complete all as specified & directed.

Supplying, fixing and jointing of Cast iron sluice valve, ISI marked, Class PN-1.6 with flanged and drilled ends, suitable for 150mm nominal bore pipe/fittings with iron wheel high tensile steel spindle with & including joints and jointing materials such as bolt, nuts, washers and rubber gasket etc complete all as specified & directed.

Supplying, fixing and jointing of Cast iron sluice valve, ISI marked, Class PN-1.6 with flanged and drilled ends, suitable for 100mm nominal bore pipe/fittings with iron wheel high tensile steel spindle with & including joints and jointing materials such as bolt, nuts, washers and rubber gasket etc complete all as specified & directed.

Supplying, fixing and jointing of Cast iron NRV, ISI marked, Class PN-1.6 with flanged and drilled ends, suitable for 150mm nominal bore pipe/fittings including joints and jointing materials such as bolt, nuts, washers and rubber gasket etc complete all as specified & directed.

Supplying, fixing and jointing of Cast iron NRV, ISI marked, Class PN-1.6 with flanged and drilled ends, suitable for 100mm nominal bore pipe/fittings including joints and jointing materials such as bolt, nuts, washers and rubber gasket etc complete all as specified & directed.

Material and labour for water pressure gauge, range 0-100 PSI, dial type 100mm nominal dia, with and including control valve adopter etc and testing on pipe line complete all as specified and directed

Cutting existing water mains in position upto 150mm bore CI for taking branch connections for CI special as required complete all as specified and directed.

Material and labour for ductile iron fittings or specials for spigot & socketed and flanged pipe conforming to IS-9523 and ISI marked Tee (equal or unequal) dead flanges/plug, connecting pieces, tapers, collars reducers for pipe of size upto 150mm bore complete all as specified and directed ( Note:- Lead joint, excavation and earth work shall be measured & paid for separately) .

M&L for ductile iron pipes with socketed and spigot ends suitable for tyton joints centrifugally cast (spun) class 'K-9' confirming to IS : 8329 in any length laid in trenches of 150mm bore including necessary joints/spares required to connect the pipe complete all as specified and directed. NOTE : - Excavation and earth work shall be measured & paid for separately.

M&L for ductile iron pipes with socketed and spigot ends suitable for tyton joints centrifugally cast (spun) class 'K-9' confirming to IS : 8329 in any length laid in trenches of 100mm bore including necessary joints/spares required to connect the pipe complete all as specified and directed. NOTE : - Excavation and earth work shall be measured & paid for separately.

Supply and lowering in bore hole galvanized iron column pipe 80mm dia heavy grade (approximately 3 mtr length) each duly flanged at both ends by welding with special provn such as slots for housing two Nos submersible cable and holes for fixing nut bolts including painting with one coat of synthetic enamel paint over a coat of primer complete all as specified and directed.

Supply, lowering, installation, testing and commissioning of submersible pump set complete with 3 phase submersible electric motor coupled with the pump having 10000 GPH discharge at 120 mtr head, 7 stage or as per OEM recommended stage suitable for bore of 250mm dia (the capacity of motor pump shall be suitable to give a required discharge at the required head complete all as specified and directed.

Supply, installation, testing connecting and commissioning LT panel board cubical and outdoor canopy type with double door, floor mounted made out of CRCA sheet 3.15mm and MS angle iron base frame 40x40x6mm of suitable size as required at site for fixing panel board including necessary fixing arrangement. Painting of panel board complete with one coat of red oxide primer and two coat of powder coated synthetic enamel paint all as directed panel should be totally enclosed dust and vermin proof, front opening with locking arrangement, suitable for AC 415V 3 phase. 50 Hz system, Red, Yellow, Blue and Black coloured insulated copper bus bar of suitable size to carry 400 amps four Nos vertical mounted of suitable length and internal wiring with aluminum strip of suitable size with marking of wiring circuits, size of panel baored should be able to accommodate and easy maintenance of the following accessories complete all as specified and directed:- (a) Voltmeter flush mounted, 0-500 V Square digital type -01 Nos. (b) Ammeter, Flush mounted (0-100A), CTs operated, Square digital type-02 Nos. (c) Phase indicating lamp set (RYB) industrial LED type-01 Set. (d) On load change over switch 250 Amp four pole, 415 V, 50 Hz open execution type-01 Nos (e) MCCB AC 415 Volt 250 Amps , confirm to IEC-947 IS-13947-I breaking capacity 25 KA at 415 volt, 4 pole (WSN) frame size/type ASS with adjustable thermal and fixed magnetic setting for incoming-01 No. (f) As per ser No (e) above but breaking capacity 25 KA at 415 Volt, 3 Pole of current rating 125 Amp for submersible pump set-02 Nos. (g) Automatic Star Delta Starter, 3 phase, 415 V, 50 Hz having contactors, over load relay, electronic timer, phase sequence corrector, on off push button complete copper wiring suitable for submersible pump motor upto 50 HP including proper fixing arrangement copper cable thimble etc all as required at Site-02 Nos (h) Danger notice plate/stricker of suitable size on front panel board - 01 No (j) Single phase preventer suitable for 415 volt - 02 Nos.

M & L for sand cushioning with dry coarse sand to under ground cable of total thickness 230 mm (80 mm below and 150 mm above the cable) and after punning thickness 180mm in the trenches complete all as specifed and as directed. Note:- Total punned thickness 180mm shall be considered for payment purpose.

M & L for earthing complete with GI earth plate electrode of size 60 cm x 60 cm x 6 mm thick buried directly in ground vertically at a depth not less than 2.25 mtr below normal ground level with top edge of earth plate at depth not less than 1.5 mtr below normal ground level surrounded from all sides by 15 cm thick and packed layer of charcol dust and common salt filling in alternate layers and electrode connected by galvanised iron strip 32 mm x 6 mm by means of bolts, nuts, check nuts and washers connected to test termination point protected by 40mm bore GI pipe light grade and GI pipe light grade 20mm bore for watering and including funnel, wire mesh, RCC pit cover and PCC chamber pit with PCC 1:2:4 type B1 including excavation and earth work, disposal of surplus soil to a distance not exceeding 50 mtr all as specified and shown in electrical plate No 3 of SSR Part I complete all as specified and directed. Note-- (i) The unit rate shall include for GI water pipe, protection pipe wire mesh, funnel, excavation, RCC pit cover, PCC, test point, G I strip 32 X 6 mm from top of earth plate upto 5 mtr (ii) PCC pit shall be provided at least 1.5m away from the earth pit and extra cost of additional length of water pipes and fixing junction, Elbows etc. shall be deemed to be included in the unit rate. (iii) RCC pit cover shall be percast of RCC 1:2:4, type B-1, 80 mm thick reinforced with XPM weighing not less than 4kg/Sqm in liue of cast iron cover complete all as specified and directed.

M&L for GI pipe light grade 50 mm bore for cable protection laid in trenches/floor complete all as specified and directed. NOTE : - Excavation and earth work shall be measured & paid for separately.

Supplying, laying, jointing & testing cable XLPE insulated armoured and PVC sheathed LT cable 1100 Volt grade with stranded aluminium conductor of size 70 Sq mm 3.5 core, conforming to IS- 7098 (Part I) 1988, laid in trenches or to poles including taking down of old cable complete all as specified and directed. Note:- Excavation and earth work shall be measured and paid separetely.

M&L brick protection cover using sub class 'B' old size bricks laid flat, laid dry across the length of cable with width equal to the length of brick complete all as specified and directed.

singh traders

Krishana Builders