MAINTANANCE AND REAPIR WORKS TO EXISTING KITCHEN ROOM IN CHINAKADAI THERU CORPORATION MIDDLE SCHOOL IN WARD NO 14

Amount

Earthwork excavation in all soils and subsoils to full depth as may be directed except hardrock requiring blastering inclusive of all shoring, strutting and bailing out water wherever necessary and depositing the surplus earth with initial lead and lift etc., complete as per standard specifications.with conveyance upto 2Km lead

Supplying and filling in foundation and basement with filling Gravel in layers of not more than 15cm.thick well rammed watered and compacted etc., complete complying with standard specification.

Supplying and filling in foundation and basement with filling M sand in layers of not more than 15cm.thick well rammed watered and compacted etc., complete complying with standard specification.

Plain Cement Concrete 1:4:8 (one cement, four fine aggregates and eight coarse aggregates) using 40 mm 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

supplying and erecting centering for sides and soffits including necessary supports and strutting upot 3.29m height for plane surfaces as detailed below in all floors with all cross bracings using mild steel sheets of 90 x 60cm and 10BG stiffened with welded mild steel angle of size 25mm x 25mm x 3mm for boarding laid over silver oak josts of size 10cm x 6.50 cm spaced at above 90cm centre to centre and suported by casurina props of 10cm to 13dia spaced at not more than 75cm center to center etc

Providing and laying in position Standardised Concrete Mix M-20 Grade in accordance with IS 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 325Kg/ cum and maximum water cement ratio of 0.55 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of Crushed Stone Sand (M- Sand), but excluding cost of reinforcement grill and fabricating charges centering and shuttering but 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 cost etc., complete complying with standard specification and as directed by the departmental officers -

Suppling and fabricating and placing in position MS (or) R.T.S. bar for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors.

Brick work in CM 1:5 (one cement & five sand) using Third Class Country Brick Kiln Burnt of size 8"X41/4"X 2 3/4" including finishing, curing, etc., complete complying with standard specification

Paving the floor with Double charged Vitrified tiles of approved quality and colour of size 600x600x8mm thick of approved make, quality and colour in all floors over a base layer of cement mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), 20mm thick and laid straight alignment and pointed neatly with colour cement at the rate of 0.40kg/m2 laid without any air gap in the tiles neatly and fixing in position as per standard specifications and as directed by the departmental officer. The colour & quality of tiles should be got approved by city Engineer before use on work

Flooring with Cuddapah slabs of 40mm thick over a base mortar in CM 1:3 (One Cement and Three Plastering Sand (P - Sand)) 20 mm thick and pointed with cement mortar 1:3 ( one cement and three Plastering sand) usimg Black oxide complying with standard specification (P & D data 53)

Supply and fixing of M.S Grills with Doors and Windows with one coat of Red oxide with Primer including all costs such as welding,grinding and fabrication charges, cost and conveyance of all materials to site etc,complete as per standard specification.

Supplying, fabricating, erecting structural steel work for roofing welded or bolted type using MS channels, angles, plates and round bars etc. conforming to IS specification including primer coating and enamal painting as per Design given by the departmental officers etc, complete as per standard specification

Fabricating supplying and fixing of pre painted galvanium colour sheets with the following specification. The materials should be of PPGI tile profile with a red colour or any other approved design 0.47 mm thick 24 guage having width 1050 mm. The sheet should be G.I.base pre painted hot dipped galvanized iron sheet and to be fixed with shelf tapping screws,plastic washer.The washer and screws to be fixed by using minute power machine drilled with out damaging the sheets paint coating to be regular modified polyster coat with zinc coating of Z 120 GSM paint thickness the finish should be terra cotta finish like malabar mangalore tiles finish optional matt finish. The sheet to be fixed with making suitable corrugated,cutting the sheet in to the required ssize and making ornamental designs as per the site condition and as directed by the departmental officers.

Plastering with cement mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), 10mm thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications

Plastering with cement mortar (1:5) 12mm ,thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications

Painting two coats with Ready Mixed Enamel Paint over the new iron works of approved quality and colour without priming coat including the cost all materials etc.,complete, in all floors.

Painting two coats of newly plastered wall surface with ready mixed Cement paint of first quality and of approved colour over a priming coat including preparing the surface, clean removal of dirt and including necessary plaster of paris putty wherever required etc., complete complying with standard specification.

Cuddapah Slab Sink of size 600mm x 600mm x 200mm with 32mm dia ‘B’ Class G.I. waste water pipe & 32mm dia C.P. waste coupling., complete complying with standard specification. (M-0550) pwd sor 24-25 vol-I

Supply and delivery and fixing of HDPE tank as per IS 12701 / 1996 including loading, unloading, transportation and labour charges for fixing of the GI pipes and specials for pipe connection works including cutting, threading and fixing charges etc.,(WD-M1418) pwd sor 24-25 vol-II

Supplying and erecting in position of following liters capacity Industrial Model Reverse Osmosis Water-cum- Purifier to deliver Potable Water with World Health Organisation (WHO) Standards with following accessories. (a) MS Skid - 1 No. (b) Media 11054 No. Vessel with 20 nb Multiport Valve (with Media Pubble and Fine Sand and Activated Carbon Filling) set (c) Feed Pump 0.50 HP – 1 No. (d) Vertical Pump 2-9, 2.00 HP / Single Phase – 1 No. (e) Membrane 40 x 40 filmtech (or) equilaents / Osmonic (USA) - 1 No. and Membrane Pressure Vessel 40 x 40 -1 No. & Pressure Gauge - 2 Nos. (f) Flow Meter - 1 No. 20” Filter with Housing - 1 No., Low Pressure Switch - 1 No., Level Switch - 1 No. & Necessary CPVC Pipes and Fittings.The system shall be provide with Two Panel Control System with necessary Stainless Valves and Fittings and Float Control etc. The rate should be inclusive of all civil works, wherever necessary to install the System in position and intact. 50 Litres (M-0720) pwd sor 24-25 vol-I

supplying and fixing of AC Ceiling Fan complete 1200 mm (48”) Sweep with 300mm Down Rod (without Regulator) as given by the departmental officers etc, complete as per standard specification

Supply and fixing of single box type 4'40W fluorescent fitting complete with copper choke and condensor with TW round blocks on wall or ceiling with flu tube with PVC unsheathed copper leads from terminals to the fitting

Wiring with 2 x 1.5 sq.mm. PVC insulated single core unsheathed FRLS copper conductor cable of 1100V grade in suitable heavy gauge MS conduit pipe on wall and ceiling with MS accessories with MS switch Box and 5A FT switch with painting of suitable colour continuous earth wire connection of 1.5 sq.mm copper wire for light point / fan point (for electronic regulator) SD 1/electrical Data 24-25

Wiring with 2 x 1.5 sq.mm. PVC insulated single core unsheathed FRLS copper conductor cable of 1100V grade in suitable heavy gauge MS conduit pipe on wall and ceiling with MS accessories in flush with wall with 150mm x 100mm x 75mm MS switch box with 3mm thick hylum sheet cover for 5A 3pin non interlocking CS plug with continuous earth wire connection of 1.5 sq.mm copper wire and making good of the concealed portion with suitable colour for concealed plug point.etc,, SD 12 Electrical data 24-25

S.Gopi (BID ID -1158662)