Providing, installation, testing and commissioning of pressure sand filter and improvement of borewell at Village Galli in VP Morpirla in Quepem Constituency

Amount

Supplying installation testing & commissioining of 12 m3/hr Pressure Sand Filter & Activated Carban Filter with Dosing Pump and Tank Technical Data: Pressure Sand Filter Material of construction MS(IS 2062) Diameter 1200 mm. Height 1800mm. Min Working Pressure 2.0 kg/cm2 Max Working Pressure 3.0 kg/cm2 Flow 12m3/hr Piping size 50NB Valve Butterfly Valve Inlet Distributor Bell Mouth Outlet Collector Distribution Plate Backwash Time 15 Minutes Pressure Gauges 0-7 kg/cm2 Qty of PG 2 Nos. PG Make Baumer/equi Filter media 2100kg Painting Primer + Synthetic PSF Qty 1 No

Activated Carban Filter Material of construction MS(IS 2062) Diameter 1200 mm. Height 1800mm. Min Working Pressure 2.0 kg/cm2 Max Working Pressure 3.0 kg/cm2 Flow 12m3/hr Piping size 50NB Valve Butterfly Valve Inlet Distributor Bell Mouth Outlet Collector Distribution Plate Backwash Time 15 Minutes Pressure Gauges 0-7 kg/cm2 Qty of PG 2 Nos. PG Make Baumer/equi Activated Carbon 500 kg Supporting media 1300kg Painting Primer + Synthetic ACF Qty 1 No

NaOCL Dosing system Tank MOC LLDPE Tank Volume 30 litres Pump Model E Dose/UKL/Equivalent Flow rate 6 LPH at 4 kg/cm2 Working Temp 10 to 40 degree C Power supply 230V, 50Hz Flow adjustment 0 - 100% Pump head PP Diaphragms PP Pump Qty 1 No Tank Qty 1 No

Supplying & installation of 5000 Litres HDPE water storage tank

Supplying installation and testing of 2 HP 3Phase monoblock pump for backwashing with control panel.

Steel work in single sections (SAIL, TATA. VIZAG & using electrodes of Ador or ES4B or Deh Secheron make only) including cutting, hoisting fixing in position and applying a priming coat of red lead paint.

In R.S. joists, channels, angles, tees

Earth work in excavation by mechanical means (hydraulic excavator)/manual means in foundation pipeline trenches, drain not exceeding 1.5m in width 10 sq.m on plan including dressing of sides ramming of bottoms for all lead and lift including setting out the excavated soil & disposal of surplus soil with all lead including providing barricading danger lighting guarding as directed by departmental officer in all types strata comprising any of the materials such as soil, silt sand clay gravel moorum of all conglomerated laterite rock, soft rock fissured shattered decomposed rock or weathered rock and all such other materials as described under Appendix A to these specification either in full or in parts as the case may be adopting any approved method of methods as may be convenient or permitted inclusive of chiselling, wedging etc, blasting probhibited in all conglomerates as directed by the Engineer-in-charge etc, complete.

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Providing & laying cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded granitic or basaltic stone aggrt. 40 mm. nominal size) excluding cost of centering, shuttering and finishing in:

All works upto plinth level

Providing and laying in position cement concrete 1:2:4 (1 cement : 2 coarse sand: 4 graded granitic or basaltic stone aggregate 40 m nominal size) excluding cost of centering, shuttering and finishing :

All works upto plinth level

Refilling the pipeline/foundation trenches plinth sides, foundation etc. with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 M and all lifts and disposal of surplus earth as directed by Engineer in Charge.

Laterite masonry in neatly dressed stones of size as specified in cement mortar 1: 4 (1 cement : 4 coarse sand) in foundation and basement.

Providing and fixing prefabricated compound gate of G.I. pipes 40 – 50 mm dia (medium) with 12mm M.S. square bars of G.I. pipes grill work as per drawing including providing & fixing locking arrangements, pintals, hold fast embedded in cement concrete 1:2:4 (1 cement: 2 coarse sand : 4 granitic or basaltic aggreate 20mm nominal size) including applying priming coat with ready mixed red lead paint and painting 2 or more coats with superior ready mixed paint of approved brand and manufacture in all shades as per direction complete.

Providing and fixing G.I. chain link mesh 6.35cm x 6.35 cm x 10 gauge (2.5” x 2.5” x 10 gauge) fixed with angle iron posts and struts by G.I. or M.S. staples at 20cms apart with welding with the iron posts (placed at 3 meters centre to centre) including providing barbed wire stiffeners (shall weigh 9.33 kg. per 100 meters minimum) at top and bottom with barbed wire stiffers by binding wires at 50cms centre to centre complete as per the direction of the Engineer – in – charge (angle iron posts struts, earthwork and concrete for fencing posts and struts to be paid separately)

Providing and fixing colour coated galvulium roofing sheets of 0.5mm thickness including all the accessories (TATA make) but excluding the cost of purlins, rafters, trusses, flashings etc. complete as per the directions of the Engineer in charge.

Laterite masonry in neatly dressed stones for 23 cms thick masonry walls in cm. 1 : 5 (1 cement : 5 coarse sand) in foundation upto plinth level

18mm cement plaster in two coats under layer 12mm thick cement plaster 1:5 ( 1 cement : 5 coarse sand) and top layer 6mm thick with cement plaster 1: 3 (1 cement : 3 coarse sand) finished with sponge

Applying one coat of cement primer of approved brand and manufacture on wall surface.

Finishing wall with waterproofing cement paint of approved brand and manufacture and of required shade on new work (three or more coats) to give an even shade.

40 mm. thick red oxide flooring under layer of 30 mm thick cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate 12.5mm nominal size) and top layer of 10 mm thick plaster of cement red oxide mix using 3.5 kg. Of red oxide of iron per 50 kg. of cement 1:3(1cement : 3 coarse sand) finished with floating coat of neat cement red oxide mix of same proportion.

Supply and installation of 5HP submersible pump set(4")-Power supply: 400V, 50 HZ, 3 Phase Discharge (m3/hr) : 2.0, 4.0, 6.0, 8.0, 10.0 Head Range(M) : 170 163,143,108,60 Motor rating : 3.7 kw 5HP Rated current : 9.2 A Starting Method : DOL NRV Size : 38 mm Nominal Speed : 2900rpm Overhall Length : 1791 mm Weight Approx : 35kg Model : CORA 100-7C/25+UMAI 100-3.7/22

Supplying Submersible cable 4.0 Sqmm x 3 core

Earthing with GI earth pipe 2 mts long 40 mm dia medium class with ISI mark, of approved brands including accessories and providing masonry enclosure with CI/RCC cover having locking /Lifting arrangement and watering pipe etc. (but without charcoal or coke and salt) as required as per the Earthing Drawing provided by the Engineer-Incharge.The scope of work includes the following: a) Excavation of pit of size not less than 1.0x1.0x 2.0 mtrs(min) and disposal of excavated soil. b) Class B GI pipe, 40mm diameter as per specifications. c) Charcoal/salt as per specs ( paid seperately). d) Refilling the pit of size not less than 1.0x1.0x 2.0 mtrs(min) with soft black soil of minimum resistivity i/c transportation. e)Masonary chamber with proper foundation, cover plate and locking arrangement. f) Testing of earth value with earth megger and certifications of its value. Aluminium tag with embossed earthing value to be attached to the pipe. g)watering arrangement(plumbing will be paid seperately).

In soily strata

Extra for using salt and charcoal for pipe earth electrode as required( 65 Kgs of Charcoal and 5 Kgs of Salt).

Supplying and laying 8 SWG copper wire at 0.5 m below ground level for conductor earth electrode including soldering etc. as required

Supplying of ASTM UPVC pipe conforming to ASTM 1785 with ISO 14001 etc. complete SCH-80 (Blue/white) 50mm dia

M/s GOA WATER CARE