IMPROVEMENT TO WATER SUPPLY INSTALLATIONS AND PERIODICAL SERVICES TO OH TANKS AND UG SUMPS UNDER GE PANAJI, GOA.

Amount

Excavation in trenches not exceeding 1.5 m width and not exceeding 1.5 m in depth and getting out in hard/dense soil for removing/ laying of pipes complete all as specified and directed.

Returning, filling including spreading leveling watering and well ramming in layers not exceeding 25 Cm thickness using excavated hard/dense soil complete all as specified and directed.

Removing excavated surplus soil not exceeding 50 m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Material and labour for dismantling of defective sluice valves for repair, including repairs such as repacking stuffing box of sluice valve spindle, refacing, grinding, stuffing and threading of spindle, replacement of worn out check nut, repairs to gate assembly etc., replacement of jointing materials such as rubber sheets, nuts, bolts & washers, gland rope, etc. and re fixing in its original position, testing, etc. complete all as specified and directed for the following sizes:-

80 mm dia

100 mm dia

150 mm dia

200 mm dia

Material and labour for cast iron fittings for pressure pipe for water such as bends (any type, radius, or angle) tapers any type (Straight, bend, increasing, decreasing or double socket etc.) Tee pieces, ‘Y’ junction, single branch, double branch, cross (all sockets or socket and spigots) collars, caps and plugs etc. up to 150 mm bore all as specified and directed.

Material and labour for cast iron fittings for pressure pipe for water such as bends (any type, radius, or angle) tapers any type (Straight, bend, increasing, decreasing or double socket etc.) Tee pieces, ‘Y’ junction, single branch, double branch, cross (all sockets or socket and spigots) collars, caps and plugs etc. from 200 mm bore to 400 mm bore all as specified and directed.

Burning of lead joints in position complete all as specified and directed for the following sizes of CI pipes:-

80 mm Dia

100 mm Dia

150 mm Dia

Material and labour for lead joint for CI pipe/ DI pipe including spun yarn etc. for spigot and socket pipes and fittings complete all as specified and directed for the following bore of pipes:-

80 mm Dia

100 mm Dia

150 mm Dia

Supplying, fixing, connecting and testing in repair of non-return valves ISI marked, as per IS- 1538 4 & 6 both ends flanged CI body with flaps etc. including jointing materials complete all as specified and directed for the following sizes:-

100 mm Dia

150 mm Dia

Supplying, fixing, connecting and testing in repair of sluice valves both ends flanged with CI body and SS spindle with clamps and check nuts, operating wheel etc. non rising type ISI marked IS:14846 class PN 1.0 including jointing materials complete all as specified and directed for the following sizes:-

80 mm Dia

100 mm Dia

150 mm Dia

Supplying, fixing, connecting and testing in repair of sluice valves both ends flanged with CI body and SS spindle with clamps and check nuts, operating wheel etc. rising type ISI marked IS:14846 class PN 1.0 including jointing materials complete all as specified and directed for the following sizes:-

80 mm Dia

100 mm Dia

150 mm Dia

200 mm Dia

Construction of valve chamber of size 1200mm x 1200 mm (Internal size) 900 mm deep with 200mm thick PCC block masonry wall built in CM 1:6 over 100 mm thick foundation concrete in PCC 1:4:8 type D2, (Using 40 mm graded coarse aggregate) with 100 mm off set all around, 15mm thick internal plaster and external plaster up to a depth of 15 cm below GL in CM 1:6, 3 mm thick MS sheet cover, double door welded to 50 mm x 50 mm x 6mm MS angle frame fixed withhold fasts in PCC 1:2:4 type B1, coping 50 mm thick in PCC 1:2:4 type B-1, 20mm x 6mm flat iron hinges with locking arrangement including 65mm brass lock and key (Godrej/ Shell), MS handles and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer to all steel surfaces including excavation & earth work in any type of soil /soft disintegrated rock and disposal of surplus soil to a distance not exceeding 50 Mtr including demolition of old valve chambers complete all as specified and directed.

Taking up unserviceable/ defective cast iron water mains (including all fittings) with spigot/ socketed/ flanged ends including disconnecting pipes and fittings in any position complete all as specified and directed for the following sizes of pipes:-

80 mm Dia

100 mm Dia

150 mm Dia

200 mm Dia

Relaying only cast iron pipes obtained from serial item No 13.00 here in before including laying level or to falls, laid in trenches, or laid on the ground or on supports above ground level complete all as specified and directed for the following sizes of pipes:- Note:- Excavation and earth work and burning of lead joints shall be measured and paid separately.

80 mm Dia

100 mm Dia

150 mm Dia

200 mm Dia

Supply and fix ductile iron pressure pipes, class K9, centrifugally cast with socket spigot ends, conforming to IS 8329/2000 with cement mortar lining inside the pipes and zinc coating outside the pipe suitable for push-on-joint (rubber gasket D jointing) in any length including DI Specials as required at site complete confirming to IS 8329/2000 and all jointing materials etc. and making good disturbed surfaces of roads, path ways etc. while laying the pipe line at site, site clearance for route of pipe line, welding, cutting the existing CI/ DI/ MS pipe line of any size up to 400 mm dia for inserting branch connections etc. complete all as specified and directed for the following sizes of pipes:- Note: (i) Lead Joints / D-Joints will be measured and paid separately. (ii) Contractor is responsible for repair/ replacement of any damages to the existing structures etc. during the course of execution.

100 mm dia bore with socket and spigot ends

150 mm dia bore with socket and spigot ends

Cutting the existing road straight by manual, depth and width not less than 30 Cm for pipes up to 100 mm dia, 60 Cm for pipes from 150 mm to 200 mm dia and 75 Cm for pipes above 250 mm dia and filling back with excavated soil up to 75 % road portion and 25 % shall be made good with cement concrete 1:2:4 type B2, using 20 mm graded stone aggregate complete all as specified and directed.

Material and labour for plain cement concrete 1:3:6 type C-1 using 20mm graded stone aggregates as in coping including necessary formwork complete all as specified and directed.

Material and labour for stone masonry walling of random rubble, uncoursed, well bonded ,bedded and solidly hearted, built in cement mortar 1:4 for Pipe line pillars/ Posts complete all as specified and directed.

Material and labour for rendering 10mm thick cement plaster on fair faces of brick/ stone masonry wall or concrete surfaces in cement mortar 1:4 surface is to be finished even and smooth without using extra cement complete all as specified and directed.

Material and labour for 3mm thick mild steel sheet cover, welded to 50mm x 50mm x 6mm mild steel angle frame fixed with mild steel flat iron hold fasts of size 20mm x 6mm embedded in PCC 1:2:4 type B1 coping 50 mm thick, mild steel butt hinges heavy weight with locking arrangement, mild steel handles and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer to all steel surfaces including demolition of old valve chamber covers complete all as specified and directed.

Material and labour for cleaning of following RCC overhead reservoir, underground sump/ semi underground sump of any size and any height of staging by using mechanical means and scientific cleaning by carrying out the following stages of cleaning process for disinfection of surfaces complete all as specified and directed:-(a) Cleaning of all external surfaces with hot water and Odor removal.(b) The inner surface of the walls and ceilings of the tank shall be cleaned with high pressure jet pump after dewatering in the tank.(c) After thorough cleaning of the tank, removal of algal calcination and other dust particles with high pressure including hot water treatment @ 50 degree centigrade. (d) Vacuum cleaning and sludge shall be removed by using pump and the sludge has to be disposed off at places as directed. (e) After removing the sludge from tank, the floor and inner surfaces of the tank shall be cleaned by using an industrial vacuum cleaner and the tank shall be made fully dust free and disinfection with bio-degradable chemical/ anti-bacterial spray and surfaces to be proven nontoxic.

(f) After the treatment as mentioned at (e) above, the inner surface of walls and ceiling shall be treated with UV Radiation/ Ozonisation with UV rays. (g) After complete treatment is carried out, all inlet, over flow, delivery, wash out pipes, ladder and doors shall be painted with two coats of synthetic enamel black paint after thorough cleaning the surfaces and also the surfaces of sluice valves shall be painted with post office red paint and writing "capacity of tank, date of cleaning and due date of cleaning" on walls in black paint with white back ground with suitable size of letters as directed.(h) The wire mesh of ventilators of the tank shall be replaced with new GI wire mesh.

RCC overhead tank of 1.25 lakh gallons capacity at Bambolim military camp area.

RCC overhead tank of 0.75 lakh gallons capacity at Bambolim military camp area.

RCC semi underground sump of 0.30 lakh gallons capacity at Bambolim military camp area.

RCC semi underground sump of 0.40 lakh gallons capacity at Bambolim military camp area.

RCC overhead tank of 0.20 lakh gallons capacity at Altinho area.

RCC semi underground sump of 0.20 lakh gallons capacity at Altinho area.

Notes for serial item No 21.00 to 21.70:-(i) The unit rate quoted deemed to be including draining of water with mechanical equipment and working in water, mud, etc.(ii) The unit rate quoted deemed to be include all safety precautions which shall be taken while working on RCC overhead tank /underground sump and contractor or his engineer shall be available during execution of the job.(iii) Lighting arrangements if required to be provided by the contractor temporarily at his own arrangements and the amount quoted for that is deemed to be inclusive in the unit rate and electricity/ diesel shall not be provided by the MES.(iv) Contractor will not be allowed more than one day to do the work inside of the each OH Tank / UG Sump to prevent interruption of water supply to the users.

Material and labour for cleaning of collapsed RCC underground sump/ semi underground sump of 80,000 gallons capacity at Madgaon in any size and shape and depth/ height by using mechanical means and scientific cleaning by carrying out the following stages of cleaning process for disinfection of surfaces complete all as specified and directed:-(a) Removing all collapsed RCC slabs, steel particles and dust/ dirt/ garbage by manual without disturbing the existing structure by employing sufficient labour.(b) Cleaning of all external surfaces with hot water and Odor removal.(c) The inner surface of the walls and ceilings of the tank shall be cleaned with high pressure jet pump after dewatering in the tank.(d) After thorough cleaning of the tank, removal of algal calcination and other dust particles with high pressure including hot water treatment @ 50 degree centigrade. (e) Vacuum cleaning and sludge shall be removed by using pump and the sludge has to be disposed off at a place as directed.

Material and labour for applying painting with one coat of synthetic enamel paint of approved colour on centrifugal pump set of capacity from 20 HP to 60 HP including inlet, outlet mains, coupling, sluice valve, non-return valve, base plate, pulley with safe guard, vacuum pipe line, LT panel board and writing the MES/ SM number with black paint of suitable size of letters including complete removal of existing treatment and preparation of old painted surfaces by washing, rubbing down and stopping of painted surfaces complete all as specified and directed.

All as per item No 23.00 here in before but for 3 HP to 20 HP centrifugal pump set complete all as specified and directed.

Material and labour for painting to steel structure/ panels with approved colour of synthetic enamel paint one coat by using spray gun machine including preparation of smooth surface for painting complete all as specified and directed. Note: Quoted rate is deemed to be inclusive of necessary repairs like welding the doors/ hinges to panel board doors and other misc. petty repairs as required at site complete all as specified and as directed.

Material and labour for applying synthetic enamel paint of approved colour by spray gun machine painting to Generator Set of any capacity up to 250 KVA capacity including base plate, diesel tank, exhaust pipe, etc. including preparation of surfaces complete all as specified and directed.

Supply and fix piezo metric level indicator set in any location, any size up to 1.5 lakh gallons capacity including provision of scale in centimetres marked in white paint over black painted background, on a 100 mm wide x 1 mm thick mild steel plate, 3 m in height fixed on angle iron frame and two clear glass tubes of 20mm dia duly clamped and mounted in the centre of the scale for indicating the level of water in the underground/ overhead reservoirs including provision of float ball, pulleys, angle iron stiffeners, hold fasts in cement concrete, necessary painting, etc. required at site including taking down old unserviceable water level indicators of any type complete all as specified and directed.

Supply and fix pressure gauge suitable for water supply of range 0 to 50 Kgs. Including taking down old unserviceable pressure gauges of any type and capacity complete all as specified and directed. Note: Quoted rate is deemed to be inclusive of making provision to fix Pressure gauge and necessary fixing accessories required at site complete.

Material and labour for double sided glow sign board size 1.25M x 1.25M, showing location /details of power house /tech area and writing of letters (Block, Roman, Italic) on flex sheets and the sides of perimeter covered with PGI sheet 24 SWG, properly overlapped or mounted on MS angle iron frame 35mm x 35mm x 5mm 'H' frame with cross bracing, embedded in PCC bed lock of size 300mm x 300mm x 450mm with mix 1:3:6 type C1 using 20 mm graded stone aggregate and the MS frames shall be applied with two coat of synthetic enamel paint over a coat of red oxide primer with and including providing 03 Nos tube lights 40W inside the board with necessary point wiring with copper cable complete all as specified and directed.

Surface excavation not exceeding 30 cm deep and averaging 15cm deep and getting out in hard/ dense soil including removal of surplus soil not exceeding 50 m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

SLB Enterprises

M/s Hari Construction

Nirmal Constructions