CIVIL WORKS FOR NETWORK STAIONS (SRG, ARG, FCS, DWLR etc.,) IN RESPECT OF GROUND WATER DIVISION, CHENNAI UNDER NATIONAL HYDROLOGY PROJECT FOR THE YEAR 2020-21

Amount

Construction of cement concrete platform of size 0.6 x 0.6 x0.6 M as per approved drawing and technical specification

Providing chain link fencing over the MS angle of size 65x65x6mm posts, including conveyance , fixing and providing weld mesh gate including finishing, curing etc.

Provision for Name board

Dismantling, machine pressed tiles and weathering course and carefully stacking the materials useful for reuse etc complete complying with std. Specification and as directed by the dept. officers.

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

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

Finishing the top of roof with one course of machine pressed tiles of size 230mm x 230mm x 20mm of approved quality set in Cement Mortar 1:3 (One Cement and Three Sand) 12mm thick mixed with water proofing compound conforming to ISS at 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 and as directed by the departmental officers.

Supplying and painting the walls with two coats of cement paint over one coat of cement primer as instructed by the departmental officers including preparation of surface curing, etc., complete in all floors complying with standard specifications (The colour and shade of the cement paint shall be got approved by the Executive Engineer before use of work).

Chipping of concrete and roughening the surface in all floors .,complete complying with standard specification and as directed by the departmental officers

Paving the floor with best quality Vitrified Tiles of size 600 x 600 x 8mm of approved colour, shade and quality laid in cement mortar 1:3 (one cement and three sand) 20mm thick in all floors and the top pointed with the white cement mixed same colour pigments etc., complete complying with standard specification. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Supplying and painting the walls with two coats of oil bound distemper over one coat of water based cement primer including cost for distemper, primer, cleaning and scrapping the walls, rendering the walls smooth with necessary putty, brushes, scaffolding arrangements, labour charges, etc., as per standard specification. (The colour and shade of the distemper shall be got approved by the Executive Engineer before use of work).

Painting old iron works such as steel windows, ventilators, window bars, etc., with two coats of best approved first quality and colour of synthetic enamel paint including scrapping & priming coatetc., complete complying with standard specification. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Chain link - 2" x 2" using 10 Gauge Galvanised Iron Wire (of all sizes)

Earthwork excavation for foundation (for narrow excavation) in all classes of soils except hard rock requiring blasting and depositing on bank SS20B with all leads and lifts and all other incidental charges such as shoring, strutting wherever necessary atc. Complete for dressing the bed upto sill level etc. including refilling the sides of foundation

Supplying and filling in foundation, basement, etc with filling sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Plain Cement Concrete 1:2:4 (one cement, two sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.

Supply and fixing of M.S L -angles of size 65 x 65 x 6mm fencing posts @ 5.80 Kg/m. (9 x 2.10 x 5.80)

Suppying and fixing weld mesh gate (size 0.75x1.20m)

Providing and fixing PVC rain water down fall pipes of following pipe with necessary shoes, bends other specials, clamps, screws, nails teakwood plugs etc, complete including cost of all materialas - 1m

Clearing Scrub jungle

Flooring with following ceramic tiles of size 305 x 305 x 6 mm laid over 20 mm thick cement mortar 1:3 (One Cement and Three Sand) base mortar over the existing slab / floor including cutting the tiles to the required size with special cutter wherever necessary, laying in position and pointing with white cement mixed with colouring pigment at the rate of 0.3 Kg. / sq.m. etc., complete complying with standard specification. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Paving the floor with pre-polished concrete anti-skid tiles (Required shape and design) of 20mm thick of approved quality and colour laid in Cement Mortar 1:3 (One Cement and Three sand) 20mm thick and pointed with white cement mixed with colouring pigment at the rate of 0.40 Kg. / sq.m., curing, etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

White washing two coats with freshly burnt white shell lime in all floors including cost of lime, blue powder fevicol type gum, brushes, scaffolding charges, etc., complete complying with standard specification and as directed by the departmental officers.

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

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

Renewal of PVC pipes (having working pressure 10 kg. / sq.cm) of approved quality and best variety conforming to BIS of the following dia including cutting, threading and fixing PVC specials using PVC adhesives (but excluding cost of such specials) and fixing into wall with teak wood plugs, PVC clamps and screws making holes on the wall (or) drilling holes in the roof and making good the dismantled portion to original condition with necessary brick work / cement concrete and plastering neatly wherever necessary with necessary scaffolding charges upto 4 metre height above ground level, etc., complete complying with standard specifications. The PVC pipes shall be got approved by Executive Engineer before use on works.

For laying PVC pipes of dia 25mm

For laying PVC pipes of dia 32mm & 40mm

Supply and providing 500 litres capacity Priming Tank made up of PVC. Make: SINTEX/EQUIVALENT(Quotation Enclosed)

Rate for flushing of existing borewells 8 Nos (Neyveli,Tamaraipakkam,Pedharamapuram,Ponpadi, Athimanjeri, Esoor, Thiruparuthikudram and Karuneelam) of 6" dia requiring less than 4 hours operation using drill rods/ hose with required size of pipes for various capacity compressor including transportation, labour, and fuel charges for compressors and conducting yield test by ‘V’ notch method if required. 600 CFM

Fabricating, supplying and fixing of Outer Fencing in position M.S Steel framed weldmesh grill including painting new iron works as directed by the departmental officers etc., complete complying with standard specification.

Earth work excavating and depositing on bank with initial lead of 10m & initial lift of 2m in Sand, silt or other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil including excavated earth

Supplying and FILLING GRAVEL Supplying and filling in 'foundation and basement with filling sand in layers of not more than 15cm.thick well rammed watered and compacted -1m3 etc., complete complying with standard specification.

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specificaiton.

Cement Concrete 1:4:8 (One Cement, Four sand and eight hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick, well rammed, consolidated and curing etc. complete complying with standard specification

GST for line items 1 to 33

Kotteeswaran

SAMUNDEESWARI CONSTRUCTIONS