Construction of Sump and Piping Arrangement with Anchoring for existing Infiltration Well at Pazhaveli Head Works

Amount

Earthwork excavation in all soil and sub soils except hard rock requiring blasting with initial lead and lift including re filling the sides of foundation in layer of 15 cm thick watering, ramming, depositing the surplus earth in the premises as directed by the departmental officers, etc., complete complying with standard specification.

Cement concrete in 1:4:8 (one cement, four sand and eight aggregate) mix using 40mm ISS hard broken granite metal for foundation including dewatering where ever necessary including cost and conveyance of all materials to work site and labour charges etc., for mixing laying, leveling and curing etc.,

Centering and Shuttering for all RCC Works including cost and conveyance of all materials to work site and labour charges etc.

Supply and Fabrication of Steel including cost and conveyance of all materials to work site and labour charges etc.

Reinforced Cement Concrete 1:11/2:3 (One Cement, One and Half Sand, Three afreegate) mix using 20mm metal including cost and conveyance of all materials to work site and labour charges etc.

Providing granolithic floor finish of 25mm thickness with plain cement concrete 1:2:4 (One Cement, Two crushed sand (M-Sand) and Four aggregate) using 10 to 12mm gauge hard broken stone jelly including laying, finishing and the top rubbed smooth with power trawl, thread lining, curing etc. complete complying with standard specification and as directed by the departmental officers.

Supply delivery and filling of River Sand in layer of not more than 15 cm thick including watering with all layers and consolidation complying with standard specification including cost and conveyence of sand to Site and all labour charges and all other incidential charges etc,. complete as per Standard Specification

Supplying and errecting centering for plane surfaces such as RCC slab,beam etc.,including strutting upto 3m high using mild steel sheets of size 90cm X 60cm X and B.G 10 stiffened with M.S angles of size 25mm X 25mm X 3mm for boarding laid over country wood (silver Oak) joists of size 10cm X 6.5cm spaced at 90cm centres and supported by casurina props of size 10 - 13cm dia spaced at 75cm centres including necessary cross bracings etc., complete complying with standard specifications. Without Strutting

With Strutting

Brick work in Cement Mortar in 1:5 ( One cement and Five Sand ) using best quality of Country bricks of size 8¾x 4 ¼ x 2 ¾ including all cost of materials and labour charges including Curing charges etc., complete as per Standard Specificationand as directed by department officials.

Special Plastering with cement mortar 1:3 (One cement three sand) 10mm thick including cost and conveyance of materials to site and including all labour charges etc complete.

Plastering walls with cement mortar 1:5 (One cement five sand) 12mm thick in all floors and all exposed surfaces including cost and conveyance of materials to site and all labour charges,Curing etc completeand as directed by department officials..

Painting the new walls two coats over one coat of priming with best Cement paint of approved colour and quality including preparation of surface and finishing neatly etc., complete complying with standard specification and as directed by the department officers (S.l.No.359-A)

Manufacturing, supplying and fixing in position steel Windows / Ventilators of the following types; outer frames and shutter frames shall be made out of steel sections confirming to IS.7452 / 1990 t of ‘Z’ section (F.7D) of size 25mm x 20mm x 3mm and mullions are made of (F4B) ‘J’ sections of size 46mm x 25mm x 3mm and sash bars shall be made of ‘T’ section (T2) of size 25mm x 22mm x 3mm. including providing handle cum latch with suitable open shall be left for its easy operation and adjustable wind stay of sufficient length shall be provided for each shutter and with necessary MS angle hold fasts welded to the outer frame and 12mm MS square guard bars shall be welded to the inner flat of the window at equal intervals not exceeding 100 mm spacing and welding 18G MS sheet for panes and including one coat of red oxide primer and charges for fixing in position including dismantling the masonry, concrete and redoing the same duly packed with concrete etc., complete and as directed by the departmental officers.

Supplying, fabricating and fixing in position of mild steel door with single/double shutters using M.S angle of size 40 x 40 x 6mm for outer frames and 35 x 35 x 5mm for shutter frames, fully covered with M.S sheet of 18 gauge with M.S flat of size 32 x 6 mm for internal stiffners and one number of aldrop , two numbers of tower bolts, holdfasts, hinges, handles etc., including providing one coat of red oxide primer. The rates shall inclusive of cost of all materials labour charges for fixing the door in position by dismantling the masonry, concrete etc. and redoing the same to the original condition duly packed with concrete etc., complete.

Paving the flooring with ceramic tiles of 305 x 305 x 6 types of approved colour and quality laid in cement mortar 1:3 (one cement and three sand ) 20mm thick in all floors and the top pointed with the same coloured cement etc., complete in all floors. ( grnolithic flooring)

Weathering course in Brick jelly and lime concrete using broken brick jelly of size 20 mm uniform gauge in pure slacked lime ( no sand to be used ) the proportion of brick jelly to lime being 32:12.5 by volume laid over the RCC roof slab in a single layer of required design , slope and finished thickness by beating the concrete with wooden and beaters of approved pattern keeping the surface constantly wet by springing lime Jaggery water etc,. complete as per standard specification and as directed by the Engineer incharge.

Finishing the top of Roof with one course of machine pressed tiles of size ( 23x23x2 cm ) approved quality in C.M. 1:3 - 12 mm thick mixed with water proofing compoud confirming to IS @ 2 % by weight of cement used and the joints pointed neatly to full depth of tiles with the same cement mortar mixed with red oxide and water proofing compound including curing etc,. complete complying with Standard Specification

Wiring with 2x1.5 sqmm (22/0.3) PVC insulated SC.unsheathed Cu. Conductor of 1100 V grade in suitable PVC rigid pipe on wall and ceiling with PVC accessories and with TW switch box and 5A F.T. switch with painting of suitable Colourfor open PVC light point / fan point (For electronic regulator) (5 points per coil) SD 22

Labour charges for the erection of submersible pump set in bore well/open well including fixing and jointing submersible cable with proper clamps up to the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges up to the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventer, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pump set and trail run for 10 days.

Supply and fixing of PVC insulated and sheathed 3 core 4sq.mm flat type copper cable confirming to IS 694/ 1990. The rate shall inclusive of all labour charges and erection charges etc, complete as per standard specification.

Supply and fixing of PVC insulated and sheathed 3 core 4sq.mm flat type copper cable confirming to IS 694/ 1990. The rate shall inclusive of all labour charges and erection charges etc, complete as per standard specification.

Supply and fixing of PVC insulated and sheathed 3.5 core 25sq.mm cable confirming to IS 694/ 1990. The rate shall inclusive of all labour charges and erection charges etc, complete as per standard specification.

Supplying and conveying of following sizes of DI pipes (K9 class) to site, confirming to specification as per IS:8329-2000 for standard length including cost of pipes, testing charges at factory, labour charges for loading, unloading and stacking at site

Drilling of borewells of size 6" to 8" dia. in sedimentary formation using hand boresets including insertion of casing pipes and removal of casing pipes etc., including collection of samples as directed by the TWAD Board Officers. At 5.50m interval

Plain Cement Concrete 1:2:4 (one cement, two Crushed Stone Sand (M- Sand) and four coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification

Supply and delivery of 160mm PVC 4 ksc pipes

Supply fabricating and placing in position of steel for reinforcement for various members including cost of steel for all RCC works as directed by TWAD Board Officers. The rate to include the cost of binding wire also the steel should confirm to the relev (16mm RTS Rod for anchoring =4 x1.58=7.90kg).

MS flat of size 32mmx3mmx700mm long

Supply and delivery of AC three Phase 4 pole Horizontal squirrel cage Induction motor confiriming to IS 325/1996 and as amended thereafter with Class F insulation to suit the speed of pump and suitable for operation with continous S1 rated, 415 V +/- 10 %, 50 HZ +/- 5%, TEFC (upto 20 HP), SPDP (above 20 HP). The motor offered should be of energy efficient motors. 75 HP

Supply and delivery of Horizontal split casing centrifugal pump conforming to IS 1520 and as amended thereafter with CI casing and split glands, stainless steel shaft, hydraulically and dynamically balanced bronze impellers capable of discharging required quantity of water against a total head noted below due to all causes and with the accessories such as G.M air release cock, Grease cup, G.I priming funnel, M.S lifting hook, drip water G.I pipe connections, leading to the outside of pump house rubber water deflector, double flap foot valve, G.M strainer including unique tyre type coupling, common M.S fabricated base to mount pump and motor and other standard fittings etc complete. Pump shall be capable of discharging the specified quantity at the head noted at the minimum NPSH at site conditions. The shut off head shall be atleast 25% over and above the head at duty point. The pump shall be suitable for operation in AC three phase, 415 V, 50 Hz, 1500 RPM. 2500 lpm X 60m Pump

2500 lpm X 40m Pump

1500 lpm X 30m Pump

Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered.Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%, housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash potarrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc. 50 HP

Supply and delivery of clear water vertical wet type submersible pumpset suitable for 150mm dia borewell conforming to IS 8034/2002 as amended thereafter and BEE 3 Star Rated capable of discharging noted LPM against head of water column due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze or Cast SS impeller, brass screws and CI FG 200 grade pump bowl/diffuser with ISI mark. The pump shall be directly coupled to a continous rated two pole suitable wet type vertical squirrel cage induction motor as per IS9283 /1995 as amended there after, suitable for operation in AC three phase 415 V+/- 10 %, 50 HZ +/- 5 %

Supply and Delivery of 400A 3 phase 4 pole change over switch including cost of materials and all other labour charges etc complete

Add 18% GST

Rajagopalan Krishnasamy