PROVISION OF RAIN WATER HARVESTING AT CG LAND CHICOLNA GOA

Amount

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out soft/ dis integrated rocks complete all as directed and all as specified

Excavating in trenches, n exc 1.5 m wide and exceeding 1.5m but n exc 3.0m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and getting out soft/ disintegrated rocks complete all as directed and all as specified

Excavating over area n exc 1.5 m in depth for foundation, etc.and getting out soft/ dis integrated rocks complete all as directed and all as specified

Excavating over area exc 1.5m but n exc 3.0 m in depth and getting out soft/ dis integrated rocks complete all as directed and all as specified

Excavating over area exc 3.0m but n exc 4.5m in depth and getting out soft/ dis integrated rocks complete all as directed and all as specified

Returning / Filling in including spreading levelling watering & well ramming in layers n exc, 25 cm soft/dis integrated rock complete all as directed and all as specified.

Removing excavated surplus excavated soft disintegrated rock material n exc. 50m and depositing where directed at a level n exc. 1.5m above the starting point complete all as directed and all as specified.

Removing excavated soft disintegrated rock material exc 1.5km m and n exc 5 km and depositing where directed at a level n exc 1.5 m above starting point in rocks out side the MD land complete all as directed and all as specified.

Demolition of Brickwork or stone/ boulder masonry, built in Cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as directed all as specified and directed..

M&L for PCC (1:4:8) type D-2 as in foundations complete all as specified and directed.

M&L for PCC (1:3:6) type D-2 as in foundations complete all as specified and directed.

M&L Precast cement concrete solid Block masonry in PCC 1:3:6 type C1, 20mm graded agg exc 10cm in width and setting in CM 1:6. complete all as specified and directed.

M& L for PCC Coping (1:2:4) type B-0 (12.5 mm graded aggreates) in copings, kneelers, apex stones, bed plates, kerbs not provided for including weathering, slightly rounded or chamfered angles and throating, complete all as specified and directed.

M& L for PCC Coping (1:3 :6) type C -1 (20 mm gradede aggregate) in copings, kneelers, apex stones, bed plates, kerbs not provided for including weathering, slightly rounded or chamfered angles and throating, complete all as specified and directed.

M& L For Cement Plaster 10 mm thick in CM(1:4) finished even and smooth complete all as specifed and directed.

M &L Extra for forming fair finished drain not exceeding 45 cm girth all as specified and directed.

M&L for precast cement concrete 1:2:4 type B-1 (using 20mm graded stone aggregate) in manholes, drain covers set in CM 1:4 including necessary form work (Note :-Reinforcement will be measured and paid separately) including necessary form work etc complete all as specified and as directed.

M&L for mild steel TMT CRS bars 10mm dia and over cut to length, bent to shape rquired including cranking, bending spirally for hooping for columns & binding with and including mild steel wire (annealed ) not less than 0.9 mm dia in reinforcement for man holes, drain cover slabs etc complete all as specified and as directed..

M&L for 300 mm bore dia reinforced concrete pipes, class NP2, laid and jointed complete with collars complete all as specified and as directed.

M & L Cement concrete 1:3:6 type C-2 for 300 mm pipe concrete bed in drains pipes including packing under and completely surrounding pipes with concrete after they are laid and tested complete all as specified and as directed.

M&L for 200 mm bore dia reinforced concrete pipes, class NP2, laid and jointed complete with collars complete all as specified and as directed..

M & L Cement concrete 1:3:6 type C-2 for 200 mm pipe concrete bed in drains pipes including packing under and completely surrounding pipes with concrete after they are laid and tested complete all as specified and as directed.

M& L for PCC (1:1.5:3) type A-1 (20 mm graded aggreates) for making good the road cutting portion after laying the hume pipe etc.complete all as specified and as directed.

M & L two coats of cement base piant over coat of primer including preparation of new plastered surfaces etc complete all as specified and as directed.

S & F 75mm PVC (SWR) pipes laid in walls as a weep hole @ 3m center to centre distance on both side of drain wall complete all as specified and as directed.

M & L Sluice valve 450 mm wide with 8 mm thick steel plate with channel guide and wheel handle, operating up and down to regulate the water flow during the heavy rainy season inluding two coat of syenthtic enamel paint design of sluice valve got approved by Garrison Engineer etc.,

S & F loose filling with aggregates/ broken stone boulders gauge 80 to 150 mm spread and levelled in layes in filtter units etc complete all as specified and as directed.

S & F loose filling with aggregates/ broken stone boulders gauge 40 mm spread and levelled in layes in filtter units etc complete all as specified and as directed.

S & F loose filling with aggregates/ broken stone boulders gauge 20 mm spread and levelled in layes in filtter units etc complete all as specified and as directed.

M & L for Sand filling under floors or in foundation or in filter bed etc watering and consolidation complete all as specified and as directed.

S&F weared nylon filter mesh 2.6 mm opening size minimum thickness 6mm complete all as specified and as directed.

M & L for form work to soffits of suspended slabs such as roof slabs floor slabs and similar work not exceeding 200 mm thick with flat surfaces rough finished surfaces of concrete complete all as specified and as directed.

M & L for form work to edges of concrete flat similar work exc 10 cm but n exc 20 cm wide rough finished concrete complete all as specified and as directed.

M & L reinforced cement concrete M -30 (Design Mix) for slab supported on walls beams and columns in floors roof landings etc complete all as specified and as directed.

S&F Joist, channel, angle, or tee sections, fixed independently, without connecting plates, etc complete all as specified and as directed..

M&L for preparation of new steel surfaces and applying two coats of synthetic enamel paint over a coat of red oxide primer all as specified and as directed.

UG SUMP: Designing (hydraulically, structurally and aesthetically), and constructing RCC UG sumps in M-30 design mix of capacity 50,000 litres with free board of 2.70 m from water storage level including excavation in any types of strata, foundation concrete, container walls, bottom slab, top RCC roof slab with CI manhole covers and with plaster and water proofing with 10 years warranty as per zonal specification including epoxy paint inside, refilling of earth and disposal of surplus earth within 50 m lead, plinth protection all around, all piping connections, valves, internal electrification, MS ladder, ventilation shaft complete including test for water tightness and hydraulic functioning along with necessary soil investigation to ascertain the SBC of the location. Design and drawing to be vetted from any Govt Engineering Colleges (Degree level) only and submitted to AO for approval complete all as specified and directed

M&L for borehole drilling 300 mm to 350 mm to insert 200 mm dia perforated casing pipe for percolation of rainwater to ground water table for recharging purpose below ground level in any kind of soil strata including hard stone/boulder including MS cap, MS flat iron clamps, reducing socket etc all as specified and as directed. Note: Casing pipe shall be measured and paid seperately

S&F 200mm dia perforated/slotted Stainless steel pipe V- wire sceen pipe 1.0mm slot size 6.3 mm thickness as per IS 8110-2019 connected as per highest specification and inserted in above drilled borehole and filled with pea gravel surrounding including provision of required clamp arrangement to hold the pipe etc all as specified and as directed. Note :-V wire screen pipe should be lowered up to the weathered part only and the remaining borehole can be kept naked.

M & L for Vee-Wire Filter Screen Kit -6 inch X 12 inch X 0.5 Meter Length (SS 304) Make -Apollo Screen Size :- 6” X 12" X 0.5 Mtr MOC of end connection- MS Slot Size - 0.50 mm/0.75 mm Screen Length :-0.5 Mtr Total Filter Length with end connections – 0.9Mtr used as per direction of Engg-in-charge

S&F, GI medium grade 80 mm dia any length ISI marked including all new ISI marked fittings like bends, tees, sockets, reducers etc., including jointing, threading works required at site and breaking of wall/PCC flooring, pipe line supports etc for laying pipes and making good the disturbed surfaces and make leak proof joints etc complete all as specified and directed.

Supply, installation, testing and commissioninng of Openwell submersible pump, suitable for pumping water 780 -220 LPM discharge at Head range 30 -54 m head, IP 55, cast iron body with gun metal impellers including fixing of safety valve, pressure guage and etc direct coupled suitable for operation on 3 phase, 415 V, AC, 50 Hz, as per manufacturer's instructions including proper size copper cable from starter to motor of suitable size all as specified & directed by Engr-in-charge.

S & F 3 core Flat submersible cable, copper conductor 1100 volt grade 10sqmm size laid in tranches passing through pipes /ducts including testing complete of following cross sectional area and size Note- Rate shall be inclusive of cable gland & cable lugs for 3 core 10 sqrmm. cable

M&L for masonry valve pit of size 600x600x900mm internal size complete with excavation, earth work and brick work in CM 1:6, 15mm thick plastering in CM 1:4 internally including 5mm thick MS Sheet cover and angle iron frame of suitable size and two coats of synthetic enamel paint over one coat of red oxide primer complete with locking arrangement complete all as specified & directed by Engr-in-charge.

Supply & Fixing CI sluice valve 80 mm bore with flanged both end PN-1.0 with MS spindle, gasket, nuts, bolts & washers etc confirming to IS: 14846:2000 all as specified & directed by Engr-in-charge.

Supply and fixing NRV flanged of class 1.6 PN reflux with bypass arrangement complete of size 80 mm dia all as specified & directed by Engr-in-charge.

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 16 sq mm 4 core complete all as specified and directed.

M&L sand cushioning with river washed and screened dry fine sand to under ground cable 23 cm thick, 15 cm below the cable and 8 cm after laying the cable, duly punned complete all as specified and directed.

Supplying and laying un-reinforced precast concrete cable cover, class LV, type 1 with peak size 250 x 150mm x 40mm complete all as specified and directed

Earthing complete with galvanised steel earth plate electrode 60cm×60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, using galvanised earth lead wire 4.0mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion complete all as specified and directed.

Supplying and laying of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings of size 50mm dia in trenches/wall/surface complete all as specified.

Supplying and laying of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings of size 40mm dia in trenches/ wall/ surface complete all as specified.

Material and Labour for CPVC brass elbow of size 50mm dia complete all as specified.

Material and Labour for CPVC brass tee of size 50mm dia complete all as specified.

Material and Labour for CPVC Male Brass Threaded Adaptor (MTA/ MBTA of size 50mm dia complete all as specified.

Material and Labour for CPVC Female Brass Threaded Adaptor (FTA/ FBTA) of size 50mm dia complete all as specified.

Material and Labour for CPVC union of size 50mm dia complete all as specified.

Material and Labour for CPVC ball valve of size 50mm dia complete all as specified.

Material and Labour for CPVC brass elbow of size 40mm dia complete all as specified.

Material and Labour for CPVC brass tee of size 40mm dia complete all as specified.

Material and Labour for CPVC Male Brass Threaded Adaptor (MTA/ MBTA of size 40mm dia complete all as specified.

Material and Labour for CPVC Female Brass Threaded Adaptor (FTA/ FBTA) of size 40mm dia complete all as specified.

Material and Labour for CPVC union of size 40mm dia complete all as specified.

Material and Labour for CPVC ball valve of size 40mm dia complete all as specified.

Mehta and Co. (BID ID -3146397)

M/s. P S REDDY (BID ID -3154139)

M/S J J ENTERPRISES (BID ID -3148027)

SLB Enterprises (BID ID -3147251)