Construction of Semi Covered shed campus for Paddy storage along with basic amenities of 2000 MT Capacity (2 Nos of 1000 MT) in TNCSC godown campus at Vempakkam village and Taluk in Tiruvannamalai District

Amount

CIVIL WORK

Clearing scrub jungle away from the site as directed by the departmental officers

Earth work excavation for foundation in all classes of soils and sub-soils and to full depth as may be directed except in hard rock requiring blasting including initial leads and lifts and refilling the sides of foundation with excavated earth in 150 mm layers well watered, rammed and consolidated including depositing surplus earth within the godown or inside compound in places shown with initial lead of 10 mts and initial lift of 2 mts. Clearing, leveling the site, shoring, strutting, bailing of water wherever necessary etc., complete complying with standard specification and as directed.

Providing and laying sand gravel mix 1:3 to a consolidated thickness of 15cm using 0.25M3 of crushed stone sand and 0.87 M3 of gravel Per 1M3 of compacted volume of sand gravel mix to give a minimum soaked CBR value as per IRC 37 - 1984 including cost and conveyance of sand and gravel to work site and stacking them to departmental metric gauge for premeasurements mixing the required quantities of sand and gravel spreading watering and compacting the mix in layers of thickness not exceeding 100mm compacted thickness by 80-100KN power roller rolling to achieve the required density including labour charges for mixing spreading and hire and fuel charges for power roller water sprinkler and all other tools and plants etc., complete complying with standard specification and as directed by the Corporation officers.

Supplying and filling in basement with wetmix 250mm thick in layers of not exceeding 250mm thick, well watered, rammed and consolidated including machineries for hire and running charges leader 5 Cum capacity, hire charges for tipper, water sprinkler,` vibratory roller all labour charges etc., complete complying with standard specification and as directed.

CEMENT CONCRETE 1:5:10(one cement, five crushed stone sand and ten aggregate)using 40mm gauge hard broken granite stone jelly for foundation including mixing by mechanical means, de-watering side shuttering , strutting, wherever necessary including curing etc., complete complying with standard specifications and as directed.

Providing and laying in position, Standardised Concrete Mix M15 Grade in accordance with IS:456-200 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, improvement workability without impairing strength and durability with about (5 Cu.m) 7730 Kg of 20mm machine crushed stone jelly and with about (3.3 Cum)5156 kg of 10-12mm machine crushed stone jelly and with about (4.7 Cum) 7670 kg of sand, but excluding cost of reinforcement grill fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, cutting etc., Placing of concrete and surface hardner finishing with power floated and power trawler to obtain the hard surface including provision of expansion joints at 6Metre intervals across the platform by Groove cutting 6mm wide with polysulphide sealant in full depth of concrete etc., The coarse and fine aggregates to be used should comply with the requirements of 15 Standards. (No separate payment will be made by the Department for the excess usage of materials.

Supplying and fixing Galvalume sheet louvers 0.4mm thick (55AI:43, 4Zn:16SI TCT AI colour coating) with yield strength of 550 Mpa made from high tensile / CR sheet of approved quality with outer and middle frame 75mmx75mmx3mm square pipe as per drawing approved by the officers including cost of all materials, Labour charges for fixing aligning etc., complete as directed by the departmental officers..

BRICK WORK in cement mortor 1:5(one cement, five sand) using best quality Country bricks of size 8” ¾”x4 ¼ x 2 ¾ “ for walls including cost of scaffolding curing, finishing etc., complete complying with standard specification and as directed by the departmental officers. In foundation and basement.

In Ground floor upto 4.50M height above basement

Providing FORM WORK for centering the soffits of all reinforcement concrete work including strutting to the required (3 metre) height with mild steel sheets of size 90cm x60cm 10gauge stiffened with welded mild steel angles of size 25mm x 25mm x 3mm laid with country wood joist of average of size 10cm x 6.50cm at about 90cm centers with casuarinas props of 13cm dia at 75cm centre to centre with all nails coir, wedges complete and removing the form work after necessary curing period as directed by the corporation officers. The rates should inclusive of cutting, bending, welding charges of M.S.sheets; M.S. angles etc complete complying with standard specification and as directed. Column footing, Plinth beam and top tie beam.

Rectangular beams and floor slabs, tie beams, lintels, landing slab, loft etc.,

Columns, ratguard slab, curtain slab and sun shades etc.,

Supplying, fabricating and placing in position MS/RTS grills for reinforcement for all R.C.C.works including cost of steel, labour for straightening, bending, cranking, tying grills with 18 gauge galvanized binding wire and placing grills in position complete complying with standard specification and as directed

PLASTERING with cement mortor 1:5 (one cement and five sand) 12mm thick including cost of scaffolding, finishing, curing etc., complete complying with standard specification and as directed by the departmental officers.

PLASTERING with cement mortor 1:3 (one cement and three sand) 10mm thick including cost of scaffolding, finishing, curing etc., complete complying with standard specification and as directed by the departmental officers.

Painting the walls with two coats ready mixed exterior / interior emulsion paint of first class approved quality and 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 and as directed.

Supplying and laying of High profile colour galvalume sheet (as per ISI Standard) with combination 55A1:43 4Zn:1:6SI of TCT bent type 0.47mm thick not less than 150 GSM and standard width of 1.06m with yield strength of 550 MPA made from high tensile/ CR sheets of approved quality for roofing with necessary fixing arrangements like 65m and long hexagonal head screws with EPDM rubber seal etc., complete, complying with standard specification and as directed by the departmental officer. (Test certificate for quality should be furnished on receipt of material at site)

Supplying and fixing of 40 X 6mm G.I Flat over the galvalume sheet roofing which is placed on the top of Purlin in the longitudinal direction to avoid the lifting of roofing during heavy wind. The rate is inclusive of GI screws 75mm length with rubber and aluminium washer, drilling hole over GI Flat to hold the sheet and purlin with necessary adhesive flashing tap directly over the galvalume sheet including labour charges for fixing, conveyance, loading, unloading and cutting etc. complete as directed by the departmental officers.

Supplying and fixing of Steel glazed AIR INLET WINDOWs of size 0.6m x 0.6m using extruded angles (Z-section) alround for frame with centre mullion T-section) and shutter with the same Z-section properly fixed with hinges 2 nos. for each shutter. The panel of shutter fixed with G.I. sheet of'18 gauge and necessary locking arrangements including weld mesh cover using weld mesh 25mm x 25mm x 10mm gauge and welded with iron square bars of 10mm size - 3nos. horizontally and 2nos. vertically welded together to form a grill and welding grill to the main frame with 4mm thick and 12mm wide MS flats. The rate is also inclusive of one coat of steel primer and two coats of ANTI CORROSIVE METALLIC paint and quality, 2 nos. 20cm long stays for shutters etc complete (The paint should be got approved by the Executive Engineer before use on work ) The shutters should open inside.

Supplying and fixing(under lintel grove) cold rolled ROLLING SHUTTERS of approved quality of 18 gauge 7.5 cm wide cold rolled lathe section in one piece interlocked together with specially designed pipe shaft with adequate number of high tensile steel wire springs of approved quality complete with brackets side guides and arrangements for inside and outside locking arrangements with push and pull operations and pulling back handle with all accessories in best workmen ship and the entire shutter painted with two coats of best quality anti-corrosive paint over one coat of red oxide primer and clear opening of 1.80M width 2.60M height. The rolling shutter shall be placed below the lintel and behind the RCC curtain slab of 7.5 cm thick and 45 cm depth. Each rolling shutter shall be provided with one pair of approved quality of ball bearing complete. Rolling shutter should confirm to I.S.6248-1979and should be got approved by the Executive Engineer before fixing .[This specification consists of the following component materials required for erection of rolling shutter.(1).18 G 3" lathe section 1.90M long-29 Nos. (2)10 G guide channel 2.6Mlong-2 Nos.(3).13 G bottom plate for 1.8M long with angle.(4).M.S.pipe 40mm dia. C'class -2M long.(5).10SWG side plate 13"x12"-2 Nos.(6).2 SWG spring 3" bore. (7).'U'-clamp.(8).ball bearing suitable for 2 1/2 "pipe.(9).18 SWG clip suitablefor 4"lathe.(10).20 SWG M.S.sheet. Etc.

Supply and erecting and hoisting of ISMB 300x140mm steel stanchion post including cleats to receive the purlin all cutting drilling holes welding and fixing of members with necessary bolts, nuts anchor bolt of approved quality hoisting aligning and glazing the trusses in position as per plan. The rate should include the cost painting the members with one coat or red oxide primer and zinc chromate etc., complete complying with standard specification and as directed by the departmental officers.

Fabricating and supplying and erecting the required number of Trusses with structural steel members like angle iron MS plates for all truss members including cleats to receive the purlins all cutting drilling holes welding and fixing of members with necessary bolts nuts anchor bolt of approved quality hoisting aligning and laying the trusses in position as per plan. The rate should include the cost of painting the members with two coats of synthetic enamel paint over one coat of red oxide primer etc., complete complying with standard specification and as directed by the departmental officers.

Providing and laying in position, Standardised Concrete Mix M20 Grade in accordance with IS:456-200 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 mazimum water cement ratio of 0.55, including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improvement workability without impairing strength and durability with about (5 Cu.m) 7730 Kg of 20mm machine crushed stone jelly and with about (3.3 Cum)5156 kg of 0-12mm machine crushed stone jelly and with about (4.7 Cum) 7670 kg of sand, but excluding cost of reinforcement gril and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, cutting etc., and Providing fixtures like fan clams in the RCC floor/ roof slabs wherever necessary without claiming extra etc., complete complying with standard specfication and as directed the departmental officers. The coarse and five aggregates to be used should comply with the requirements of 15 Standards. (No separate payment will be made by the Department for the excess usage of materials. In foundation and basement.

In Ground floor upto 4.50M height above basement.

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 approvfed pattern, keeping the surface constantly wet by sprinkling lime jaggery water, etc., complete as per standard specification and as directed by the departmental officers.

Finishing the top of roof with one course of machine pressed tiles of size 23x23x2cm laid in cement mortar 1:2 (one of cement and two of sand)mixing with water proofing compound confirming to ISS at 2% weight of cement used and pointed with water proofing compound mixed with red oxide etc., complete complying with standard specification and as directed by the departmental officers.

Painting new iron works with two coats of synthetic enamel paint of approved quality and colour over the red oxide primer in all floor including cost of scaffolding, brushes etc., complete complying with standard specification and as directed.

Supplying and fixing UPVC (Un-Plasticized Polyviny Chloride ) windows of casement type (open) from the profile the size of outer frame 60mmx58mm and shutter profile are reinforcement with GI/1mm 125GSM and 100% corrosion free, the profiles are multi chambered sections with wall thick of 2mm. The EPDM rubber (black colour) covered with over all the edges of frame and shutter the shutter will be provided with Espag multi power point locks and also it operates as handle. The corners and joints should be welded and cleaned. Radiations free pin headed plain or brown colour glass 4mm thick should be provided to the shutter and it should not allow leakage of water even at most ranging storms and should have key lockable action, security protective hinges, strong locking systems and as per size for arresting noise and energy loss. The connecting mechanism between sash an outer frame that enables opening of the window. The window should be fized to the wall the 100% packing with screws and silicon packing all round the frames. The window should be got approved from the Executive Engineer before use on work.

Providing UPVC (Un-Plasticized Polyvinyl Chloride) Door: Providing and fixing casement doors fabricated from unplasticized polyvinyl chloride (UPVC) sections. Profiles: The Profiles should be three chamber system which provides high insulation properties with outer frame 60mmx55mm with an outer wall thickness of 2.4mm. The window unit should be designed with all corner joints mitred and fusion welded. Windows should be steel reinforced with 25x24x25mm steel reinforcement with a thickness of 1mm to have dimensional stability. The sash should be of 60x102mm. The mullion should be of 60x74mm. The profiles should have co-extruded seals. Hardware: All the hardware like friction stays, handles should be screwed with self tapping screws. The handles, locks should be designed so that they cannot be released from outside. Glazing: The window system should be glazed with 5mm plain float glass / 6mm bison lam Installation. The profiles should be cut to length and welded 45 degres. The window should be designed such that the water drainage does not passs through the reinforcement chamber. The window system should be fixed directly to the plastered brick wall using self expanding sylon plug and driving ms electroplated screws into plug.

Supplying and fixing M.S Grill to special windows and ventilators etc using 20mmx6mm angle including cost of MS grill, one of red oxide and fixing in position etc. complete complying with Standard Specification and as directed.

Paving the flooring with double charged vertified 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 with same colour pigments 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)

Supplying and fixing in position of best approved quality of rain water down fall pipe of size 110mm dia having a pressure of 4Kg/sq.cm including cost of PVC bents, PVC shoe, cast iron gratings of required diameter and special clamps, brass screws nails etc., and fixing of cast iron gratings at junction of parapet and the junction of roof slab including finishing neatly etc., complete complying with standard specification as directed by the departmental officers.

Supplying and fixing fine polished cuddapah slab of 25mm thickness for cup-board arrangements including laying to correct alignment with necessary cement mortar and black powder etc, complete complying with standard specification and as direct.

Providing and laying WBM Gr II of 75mm compacted thickness using 1 Cum of 53mm to 22.4mm IRC metal and 0.24 m3 sand gravel mix blinding for 10 Sqm. for top layer including cost and conveyance of all materials from approved quarry to work site and stacking them to departmental gauge for premeasurement, as directed by the department officers including labour for spreading metal and sand gravel mix, hand packing to camber watering with all leads for good water slurring and rolling and consolidation by power roller and finishing as per MORD 405 including hire and fuel charges for power roller and water sprinkler and all other tools and plants employed and all other incidental charges etc., complete.

Providing and laying WBM Gr III of 75mm compacted thickness using 1 Cum of 63mm to 11.2mm IRC metal and 0.24 m3 sand gravel mix blinding for 10 Sqm. for top layer including cost and conveyance of all materials from approved quarry to work site and stacking them to departmental gauge for premeasurement, as directed by the department officers including labour for spreading metal and sand gravel mix, hand packing to camber watering with all leads for good water slurring and rolling and consolidation by power roller and finishing as per MORD 405 including hire and fuel charges for power roller and water sprinkler and all other tools and plants employed and all other incidental charges etc., complete

B KATHIRAVAN (BID ID -1440079)

N. Kumaravel (BID ID -1440082)