Public Works Department Tender

Cement Concrete 1:5:10 (One cement, Five crushed stone sand and Ten hard broken stone) using 40 mm gauge hard broken jelly for flooring including laying, consolidating, finishing, rendering the top surface rough to receive the floor, curing, etc. complete complying with standard specification. (The rate is inclusive of necessary planking for panelling wherever necessary and as directed by the departmental officers

Brick work in following Cement Mortar using best quality Fly ash bricks of size 23x11x7cm for foundation and basement including curing etc.,complete complying with standard specification In Cement Mortar 1:6

Ground Floor

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid over silver oak joists of size 10cm x 6.5cm spaced at about 75cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid)

Providing and laying in position, standardised concrete Mix M-20 Grade in accordance with IS 456 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m.) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg. of crushed stone sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor/ roof slabs wherever necessary without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).

Ground Floor

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Painting two coats of Old plastered wall surface with approved weather proof Exterior Emulsion paint over one primer coat of over cement plastered wall surface ect., complete complying with standard specification.

Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 12mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.

Clearing Scrub Jungle,etc.,

Supplying and fixing in position best quality PVC soil / waste pipes of various dia having 6 kg / sq.cm. pressure BIS mark and providing leak proof joints using PVC adhesives including fixing to the wall with special PVC / MS clamp, teak wood plugs, brass screws, etc., and making connection to all sanitary fittings, dismantling masonry / RCC works wherever found necessary and making the good dismantled portion to the original condition, including testing for any leakages, etc., complete complying with standard specifications. (The PVC pipes should be got approved by the Executive Engineer before use on works). The rate for earth work excavation will be measured and paid separately in the cases where the pipe lines are proposed to laid below ground level

160mm dia

Supplying and fixing in position PVC specials of the following dia and types of approved quality confirming to BIS and providing leak proof joints including fixing to the walls and giving connection to the PVC soil stacks, dismantling the masonry or RCC works and re-doing the dismantled portion to original condition etc., complete complying with standard specifications. (The PVC specials should be got approved by the Executive Engineer before use on works).

PVC Elbow 160mm dia

PVC Tee 160mm dia

PVC Bend 160mm dia

Painting Old iron works with One coat of approved quality and colour of synthetic enamel paint in all floors etc ., complete complying with standard specifications.

Construction of INSPECTION CHAMBER following clear sizes including earth work excavation, CC 1:5:10 of 10 cm thick and brick work in Cement Mortar 1:5 [One cement and Five sand] using best quality of fly ash brick Bricks of size 23x11x7cm with Plastering with Cement Mortar 1:3 [One Cement and Three Plastering Sand] 12 mm thick to inner and outer sides and wearing coat 1:3:6 [One Cement, Three crushed stone sand and Six Aggregate] 15 cm thick and covered with precast slab 5 cm thick etc., complete complying as directed by the departmental officers

CLEAR SIZE 0.90 X 0.90m

Manufacturing, supplying and fixing Precast Reinforced Cement Concrete slabs of following thickness in RCC 1:2:4 (one cement, two crushed stone sand and four aggregates), using following HBGS jelly excluding cost of reinforcement steel in position but including cost of moulding charges, casting of slab, finishing, curing and fixing in position in all floors etc., complete complying with standard specification and as directed.- 50mm Thick slab

Design Supply and erection of Tube Settler feed pump with motor with the capacity of 25m3 /hr as per the design. The type of the pump is submersible sewage disposer Non clog. The pump make is Kirloskar/CRI/Equivalent, The capacity of the motor is 5 HP. The type of the motor is TEFC, IP68, CLSS-B insulation, suitable for 3 phase supply, 440V, 50HZ .Motor make is Kirloskar/CRI/ Equivalent. Necessary base frame, foundation bolts nuts are provided to fix the coupled pump set above the foundation bed. The cost includes the pump, motor, Stand by pump and motor, base frame, foundation bolts, labour charges, erection charges, transport charges etc., complete.

Design Supply and erection of Coagulant dosing pump with the capacity of 0-50 liters per hour @ 4 kg/cm2, The material of construction of the dosing pump is polypropene. The pump is fitted Base frame necessary bolts and nut . The capacity of the tank 200 liters with HDFE. The pump is fitted with a suction and delivery line. Necessary foot valve, level indicator is provided with the pump. Including the suitable Agitator for dosing pump The cost includes the cost of the pump, tank, foot valves, delivery and suction tubes of standard length, Agitator, labour charges, transport charges, erection charges etc., complete.

Design Supply and erection of Flocculent dosing pump with the capacity of 0-50 liters per hour @ 4 kg/cm2, The material of construction of the dosing pump is polypropene. The pump is fitted Base frame necessary bolts and nut . The capacity of the tank 200 liters in HDPE. The pump is fitted with a suction and delivery line. Necessary foot valve, level indicator is provided with the pump. Including the suitable Agitator for dosing pump The cost includes the cost of the pump, tank, foot valves, delivery and suction tubes of standard length, Agitator, labour charges, transport charges, erection charges etc., complete.

Design Supply and erection of air blowers Ring Blower with electrical Motor, 2HP motor . Air blower with motor are provided for one number for operational and one number for standby. The Air blower make is of Raico /cleantek /Equivalent to suit the design requirements. The Air blower with is fixed in a base frame. Necessary foundation bolts, nuts are provided to fix the total coupled assembly of Air blower and motor in the concrete bed. The cost includes the cost of Air blower, base frame , diffusers, foundation bolts, erection charges, transport charges, labour charges., etc., complete.

Design, Fabrication, supply, erection of tube settler media with PVC 1000mm depth 1.1mm thickness 10m3 in hexagonal chevron shaped fixed with 60 degree slope in tube settler tank including the cost of tube settler media, erection charges , transport charges, labour charges.etc., complete

Design Supply and erection of Sand Filter feed pump with motor with the capacity of 25m3 /hr , 20mwc as per the design. The type of the pump is horizontal, Centrifugal, flexible coupling drive arrangement. The pump make is kirloskar/CRI/equivalent, The capacity of the motor is 10.0HP. The motor type suitable for 3 phase supply,440v, 50hz . Motor make is Kirloskar/CRI/Equivalent. Necessary base frame, foundation bolts nuts are provided to fix the coupled pump set above the foundation bed. The cost includes the pump, motor, Stand by pump and motor, base frame, Motor Guards, foundation bolts, labour charges, erection charges, transport charges etc., complete.

Design Supply and erection of Oxidant dosing pump with the capacity of 0-50 liters per hour The material of construction of the dosing pump is polypropene. The pump is fitted Base frame necessary bolts and nut . The pump is fitted with a suction and delivery line. Necessary foot valve, level indicator is provided with the pump. The cost includes the cost of the pump, foot valves, delivery and suction tubes of standard length, labour charges, transport charges, erection charges etc., complete.

Design Supply, fabrication and erection of Multi graded Sand filter unit with 1600mm dia and 1500 mm HOS. Multi graded Sand filter is a vertical, cylindrical vessel made out of 6mm thick MS Plate with inlet, outlet and back wash provisions. Fully Automated System including backwash The inlet pipe inside the vessel is designed to have a bell mouth arrangements for liquid/water distribution, so that the filter media is in position & will not get disturbed. The bottom collection system is provided with header and lateral pipe arrangements with necessary holes. The filtered water is collected thro this header lateral pipes, will flow out to outlet pipes and vice versa. The filter media consists of Multi graded sand filled over & under bed media of pebbles and gravels. The size and height of the filter media is as per the design and standards. Both the top and bottom dish ends & side wall are made out of 6mm MS Plates. The inner side of vessel is painted with epoxy painting, where as the outside with enamel painting . necessary man hole is provided as per the design and drawing. The joints are properly vessel (Multi graded Sand Filter ) is supported by MS legs, thereby fixing the vessel with foundation bolts properly in the concrete foundation bed. The cost includes the cost of materials like MS Plates for vertical cylinder and dish ends, inner piping for inlet and header lateral outlet arrangements, man holes, bolts, nuts and washers, filter media, foundation bolts fabrication charges, welding charges, erection charges, transport charges etc., complete.

Design Fabrication, Supply and erection of Bag filter with 20micron with 25 m3/hour with SS Gadridges The cost includes cost of bag filter, stand , fabrication charges, and fixing at site transport charges to site., etc., complete.

Design Supply, fabrication and erection of AOP ( Advanced Oxidation Process) with Ozone Generator includes the ozone recirculation pump in 4m3 /hour @ 35mwc. The type of the pump is horizontal, Centrifugal, Non clog, self priming flexible coupling drive arrangement. The pump make is kirloskar/CRI/equivalent, The capacity of the motor is 2 HP. The type of the motor is TEFC, IP55, CLSS-F insulation, suitable for 3 phase supply, 440V, 50HZ . ozone generator with a capacity of 500 gms / hour with oxygen concentrator Chilling plant 2 TR ( Tonnes of refrigeration) AOP ( Advanced Oxidation Process) Under ground reactor with water proofing coating, floating medias, mixing equipment etc., water ozone mixing equipments with level gauge, safety valve with 2HP motor. The cost includes the AOP ( Advanced Oxidation Process) SS Reactor, ozone generator, oxygen generator, Chilling plant, cooling water feed pump, ozone recirculation pump, base frame, Motor Guards, foundation bolts, labour charges, erection charges, transport charges etc., complete.

Design Supply, fabrication and erection of Activated Carbon filter unit with 1500 mm dia and 2000mm HOS. Activated carbon filter is a vertical, cylindrical vessel made out of 6mm thick MS Plate with inlet, outlet and back wash provisions. Fully Automated System including backwash The inlet pipe inside the vessel is designed to have a bell mouth arrangements for liquid/water distribution, so that the filter media is in position & will not get disturbed. The bottom collection system is provided with header and lateral pipe arrangements with necessary holes. The filtered water is collected thro this header lateral pipes, will flow out to outlet pipes and vice versa. The filter media consists of granular activated carbon filled over & under bed media of pebbles and gravels. The size and height of the filter media is as per the design and standards. Both the top and bottom dish ends & side wall are made out of 6mm MS Plates. The inner side of vessel is painted with FRP painting, where as the outside with enamel painting . necessary man hole is provided as per the design and drawing. The joints are properly vessel (Activated carbon filter) is supported by MS legs, thereby fixing the vessel with foundation bolts properly in the concrete foundation bed. The cost includes the cost of materials like MS Plates for vertical cylinder and dish ends, inner piping for inlet and header lateral outlet arrangements, man holes, bolts, nuts and washers, filter media, foundation bolts fabrication charges, welding charges, erection charges, transport charges etc., complete.

Design Supply and erection of Back wash pump with motor with the capacity of 25m3 /hr , head of 3m as per the design. The type of the pump is horizontal, Centrifugal, Non clog, self priming flexible coupling drive arrangement. The pump make is kirloskar/CRI/equivalent, The capacity of the motor is 10.0HP. The type of the motor is TEFC, IP55, CLSS-F insulation, suitable for 3 phase supply, 440V, 50HZ . Motor make is Kirloskar/CRI/Equivalent. Necessary base frame, foundation bolts nuts are provided to fix the coupled pump set above the foundation bed. The cost includes the pump, motor, Stand by pump and motor, base frame, Motor Guards, foundation bolts, labour charges, erection charges, transport charges etc., complete.

Design Supply and erection of Treated tank recirculation pump as per the design. The Treated tank recirculation pump is of horizontal, centrifugal, non clog self priming type . He pump make is Kirloskar/Toshio/equivalent to suit the above said flow rate and head. The pump is coupled with motor by flexible coupling drive arrangements. The purpose of the pump is to recirculation for treated tank . The type of the motor is TEFC, IP55, CLSS-F insulation, suitable for 3 phase supply, 440V, 50HZ,. The capacity of the motor is 2.00 HP. The motor make is Kirloskar/CRI/ Equivalent. The cost includes cost of pump motor, base frame, Motor Guards, foundation bolts, labour charges for erection, transport charges etc., complete.

Design Supply, Fabrication and erection of piping for sewage treatment plant of capacity 0.5 MLD. The piping work consists of 1) Suction lines from Equalization tank, delivery lines to Tube settler thro' raw sewage transfer pumps. 2)Pipe lines for Blowers to Equalization tank Both MS and PVC pipes with necessary valves, pressure gauges are used as per the design and suit the flow rate. 3)Pipelines from Clarifier tank Bag filter and Multigraded sand filter 4)Pipe line from multigraded Sand filter to AOP ( Advanced Oxidation Process) reactor and AOP ( Advanced Oxidation Process) reactor to Activated Carbon Filter 5) Pipe line from Backwash pump to Mutigraded filter and Activated Carbon filter 6) Necessary pipe lines , valves, pressure Gauge for filters, flow meters for tube settler feed, Sand filter , Activated Carbon filter, float level switch 7Design Supply, Fabrication and erection of piping for sewage treatment plant of capacity 0.5 MLD. The piping work consists of 1) Suction lines from Equalization tank, delivery lines to Tube settler thro' raw sewage transfer pumps. 2)Pipe lines for Blowers to Equalization tank Both MS and PVC pipes with necessary valves, pressure gauges are used as per the design and suit the flow rate. 3)Pipelines from Clarifier tank Bag filter and Multigraded sand filter 4)Pipe line from multigraded Sand filter to AOP ( Advanced Oxidation Process) reactor and AOP ( Advanced Oxidation Process) reactor to Activated Carbon Filter 5) Pipe line from Backwash pump to Mutigraded filter and Activated Carbon filter 6) Necessary pipe lines , valves, pressure Gauge for filters, flow meters for tube settler feed, Sand filter , Activated Carbon filter, float level switch 7) Necessary Electro magnetic Flow Metre for Inlet and Outlet. The total piping network as given above, is within the sewage treatment units. The cost includes the cost of pipes (MS, UPVC and 1" dia to 3"dia), Specials, valves, pressure gauges, flow meters, pipe fittings, fabrication charges, labour charges, transportation charges etc, complete.) Necessary Electro magnetic Flow Metre for Inlet and Out let. The total piping network as given above, is within the sewage treatment units. The cost includes the cost of pipes (MS, UPVC and 1" dia to 3"dia), Specials, valves, pressure gauges, flow meters, pipe fittings, fabrication charges, labour charges, transportation charges etc, complete.

Design, Fabrication, supply, erection of electrical panel board with necessary starters, main switches, voltmeter, ammeter, and electrical cables of required sizes from pumps to panel board as per design. The size of panel board is approximately 3 feet x 3 1/2 feet, fabricated with MS sheets and powder coat. Necessary provisions are given in the panel board for main switch , starters, switches, voltmeter ammeter as per the design to suit sewage Treatment plant motors. The cables are run from panel board to the all pumps and other electrical accessories such as level switches dosing pumps etc complete,. The cable sizes are as per the design and suitable for electrical motors fixed in the Sewage treatment Plant. No lighting points are considered. The cost includes the cost of panel board, starters, switches, voltmeter, Ammeter, main switch, cables for motors, labour charges etc., complete.

Design Supply and erection of feed pump for sewage Disposal of Girls and Boys Hostel with motor with the capacity of 10m3 /hr as per the design. The type of the pump is submersible sewage disposer Non clog. The pump make is Kirloskar/CRI/Equivalent, The capacity of the motor is 3 HP. The type of the motor is TEFC, IP68, CLSS-B insulation, suitable for 3 phase supply, 440V, 50HZ .Motor make is Kirloskar/CRI/ Equivalent. Necessary base frame, foundation bolts nuts are provided to fix the coupled pump set above the foundation bed. The cost includes the pump, motor, Stand by pump and motor, base frame, foundation bolts, labour charges, erection charges, transport charges etc., complete.

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