Construction of 6 Class room building in Government Higher Secondary School at Sembodai in Nagapattinam District

Amount

Earthwork excavation for foundation (for Narrow Excavation) in all soils and sub soils and to full depth as may be directed except in, Hard rock requiring blasting, but inclusive of shoring, strutting and baling out water wherever necessary and refilling the sides of foundation with excavated earth in layers of not more than 15cm thick, well rammed watered consolidated and depositing the surplus earth within the compound in places as shown by the departmental officers with an initial lead, and lift etc., complete complying with standard specifications.

Cement concrete 1:5:10 (One cement, five sand and ten aggregate) using 40mm gauge hard broken granite stone jelly for foundation including dewatering if found necessary and laid in layers of not more than 15cm thick, well rammed, complying with standard specification

Supplying and filling in foundation, basement, etc with Crushed stone 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.

S&F crushed stone sand gravel mix (1:1) in foundation & basement in layers of not more than 15cm.thick well rammed watered and compacted etc., complete complying with standard specification.

Refilling in basement with excavated soil (other than sand) in layers of not more than 15cm thick, watered rammed and well consolidated etc completed , complying with standard specifications.

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

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 1:5

For Foundation & Basement

Second floor

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

For Super Structure in Ground Floor

For Super Structure in First Floor

For Super Structure in Second Floor

Supplying and erecting Steel shuttering including necessary supports for Plane Surfaces in foundation and basement for reinforced cement concrete works such column footings, plinth beam, Grade beam, Stair Case steps, bed blocks etc., which requires only nominal strutting using stiffened with mild steel sheets of suitable size 90cm x60cm and BG 10 stiffened with mild steel angles of size mm of 25mm x 25mm x 3 mm

Supplying and Erecting, Centering for sides and soffits including supports and strutting upto 3.29m height for plane surfaces as detailed below in all floors with all cross bracings using mild steel sheets of size 90cm X 60cm and BG 10 gauge stiffened with welded mild steel angles of size 25mm X 25mm X 3mm for boarding laid over silver oak joists of size 10cm X 6.50cm spaced at about 90cm centre to centre and supported by Casurina props of 10cm to 13cm dia spaced at not less than 75cm centre to centre at sutiable intervals etc., complete in all floors for complying with standard specifications. and as directed. The payment for centering shall be made only after the concrete laid. The retrieved materials should be taken back by the contractor.-

Plane surfaces such as RCC floor slab, roof slab, rectangular, square, Tee or Ell beam, lintels, bed blocks staircase waist slab, landing slab, landing beams, portico beams, portico slab etc.,

Plane surface such as RCC square or rectangular columns, top and bottom slab of sunshade, boxing sill slabs, etc.,

Providing and laying in position, Standardised Concrete Mix M-30 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 cementcontent of 400 kg/m3 and maximum water cement ratio of 0.45, including admixture (plasticiser / superplasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.0 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).

For Foundation & Basement

For Super Structure in Ground Floor

For Super Structure in First Floor

For Super Structure in Second Floor

Supplying, fabricating and placing in position of steel reinforcement using mild steel/ribbed tor steel bars for all RCC works as per the design given including cost of steel and binding wire in all floors complying with standard specifications.

Plain Cement Concrete 1:2:4 (one cement, two crushed stone 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.

Paving the Top of roof with Solar refelective ceramic tiles of size 305 x 305 x 7mm thick of approved quality and colour laid in Cement mortar 1:3 (One cement and three crushed stone sand) 12mm thick and pointed with tile grout (Nitotile Grout or equivalent) and cement in the ratio of 1:3 for joint, curing etc., complete complying with standard specification and as directed by the departmental officers

Cement concrete 1:5:10 (One cement, five sand and ten aggregate)using 40mm gauge hard broken granite stone jelly for flooring base including consolidating as per standard specification, curing and rendering the top surface rough to received floor finish etc., complete complying with standard specifications.

Brick partition walls of 11.50cm thickness using best quality Fly Ash Bricks of size 23 x 11 x 7 cm in Cement Mortar 1:3 (One Cement and Three Crushed stone Sand) using hoop iron reinforcement if found necessary including curing etc. complete and as directed by the departmental officers. (Hoop iron reinforcement will be measured and paid for separately)

In Ground Floor

In First Floor

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 crushed stone 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)

Paving the floor with best approved quality fine polished Kota stone slabs of size 600 x 600 of 18 / 20mm with machine cut edges and matching marble slab not less than 100mm width other than Adanga Marbles as border laid over a cement mortar bed of 20mm thick using cement mortar 1:3 (One cement and three crushed stone sand) fixing the slabs in true right angles with minimum possible width of joints and pointing the joints with white cement mixed with mathcing colouring pigments and polishing with floor polisher to a high degree of finish etc., The kota stone slabs and other materials to be used shall be got approved by the Executive Engineer concerned before use on work, etc., complete as per standard speicification. - Using Fine polished Kota Stone Slab above 600 x 600 of 18 / 20mm size (Observed Data)

Supplying and fixing fine polished cuddapah slab of following 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. - 20/30 mm thick

Supplying and fixing in position best approved ISI quality PVC Rainwater Downfall pipes of 110mm diameter having working pressure of 4kg/cm2 including cost of PVC pipe, with necessary shoes, bends, nails, teakwood plugs, screws etc, and fixing of cast iron gratings of required dia metre and special clamps at junction of parapet and the RCC roof slab including finshing neatly etc., complete. The PVC pipe shall be fixed with teakwood plugs by means of "U" Clamps using brass screws. Special types of "U" clamp at the centre of the pipeline shall be fixed in addition to those for more than 3 metre pipe length complying with standard specifications. - Three floor only

Supplying and fixing in position steel balustrade using 20mm size square bars at 15cm centre to centre and two balusters in single step centrally located and top shall be welded to 40mm X 6mm mild steel flat to fix the handrail having a groove 40 x 6mm and bottom fixed in the step concrete fixing M.S. Flats of size 50mm X 6mm to be provided at the centre of the balustrade connecting all the square bars to the entire length of the balustrade and the square bars well anchord in the floor / step concrete through fish tail splay at bottom including painting the steel member of the balustrade with one coat of red oxide primer etc., complete complying with standard specifications.

Supplying and fixing in position 40 mm dia best approved quality “B” class G.I. Pipe for staircase handrails welded rigidly with balustrades including cutting the G.I. Pipe to required length bending at the flight turning welding neatly the G.I. Pipe at joints etc., completed as directed by the departmental officers.

Manufacturing, supplying and fixing in position of STEEL WINDOWS with the following specifications. Outer frames of windows made of ‘Z’ section F7D of size 33 x 25 x 3mm at 1.419 Kg / m and mullion ‘J’ Section (F4B) of size 46 x 25 x 3mm at 2.28 Kg / m and shutter section of made of F7D of 33 x 25 x 3mm at 1.419 Kg / m as specified in IS 7452 / 1990. Each openable shutter should not exceed a width of 600mm to enable separate operations and easy maintenance. The panel of the shutters to be covered with 18 gauge cold rolled sheet of superior quality and welded intact with shutter frames. Horizontal stiffeners using 18 x 5mm MS Flat at 0.70 Kg / m at 3 Nos. for each shutter and additional diagonal stiffeners of the same MS Flats at all the four corners of each shutters to the suitable length welded to the shutters, for holding the CR Sheets in position firmly.2 numbers of sturdy hinges and one number of handle-cum-latch of special type made with 18x5mm MS flats are revetted to the shutters at an appropriate height in window. suitable opening is left for its easy operation. a stopper square rod for handle is provided in the mullion section at suitable place to catch the window handle. each window shutter having an adustable stay made out of 18 x 5mm at 0.70 kg/ m MS flat of lenght 320mm with three adjustable position. A matching peg is provided in the outer frame of the window at suitable place. 4 Nos. of hold fasts of 120mm length spliced at the ends are welded to the outer frame of the window by using MS flat of 18x5mm at 0.70kg/m, welded to the shutter at two place equivalent from each from top and bottom of the shutter.An MS square bar of 12mm size is welded to the inner face of the window at an equal interval not exceeding 100mm edge between them. All members are painted with one coat of anti-corrosive red oxide primer as directed by the departmental officers.All sections should be in confirmed with IS 7452/1990.The cost includes cost of all materials, labour charges and other incidental charges, etc., complete

Four Leaves

Manufacturing supplying and fixing of Steel Door with following specification ms angle of size 40x40x6mm at 3.5 kg / metre used for outer frame and ms angle of size 35x35x5 at 2.6 kg / m for the shutter frame stiffness with 32x6mm at 1.5kg/m ms flat is provided as the lock rail of the door and welded intact on both ends to the shutter frame 18 GCR sheets of best quality is laid as panel in the shutter frames 18x5mm at 0.70 kg/m ms flat or provided diagonally on the rate side of the shutter 2Nos of hinges incase of single leaf and 4Nos hinges incase of single leaf shutter is provided 6Nos hold fast 200mm length at end are welded to outer frame of tne door tower bolts 2Nos one at the top and another at the bottom are provided one aldrop is provided incase of single leaf door at rock rail section in the inner side of the rock rail section of the door one rotating rocking arrangements for the inner side of the door and additional provisions for locking arrangements

Single leaf

Double leaf

Fabricating, supplying and fixing of steel Emergency exitdoor cum, emergency window with the following specification. M.S. angle in size 40x40x6mm are used for the outer frames and M.S. angle of sie 35x35x5mm for the shutter frame, stiffners with 32x6mm M.S. flats provided at required intervals in the shutter frames 18 guage CR sheet is laid as panel and welded instant for 1/3 bottom portion of the shutter, M.S. flat 18x5mm is welded over the 32x6mm M.S flat sandwitching the CR sheet in between additional stiffner with 18x5mm M.S. flat is provided diagonally at the rear-side of the shutter. The balance 2/3 portion at top is provided with grill at an average weight of 15kg/m2 and the top portion of operation emergency window is to be made of 25x25x3mm M.S. angle welded intact with CR sheet and 25x3mm M.S. flat at diagonally at the near side of the window at required interwals 6 Nos. of hinges to be provided,6 Nos of holdfast 100mm in length made of angle section spliced at the ends are welded to the outer frame of the door. Tower bolts 2 Nos. one at top and the other at the bottom are to be provided one aldrop is provided at an appropriate place in the door 2 Nos. of 'D' type handle for emergency window and 2 Nos of handle for door is to be provided at appropriate places. A tie bar is provided at the bottom of the outer frame to prevent twisting of frame during transportation of fixing. All members are given one coat of red oxide primer as directed by the departmental officers. The rate includes cost of materials, labour transportation to side of works, loading, unloading and all other incidental charges etc., complete.

Supplying and Fixing M.S grill to opening corridor sides, ladder Entrance gate and Name board angles etc., Using necessary M.S flat for inner members and outer members which should be fixed to window members frames as directed by departmental officers inclusive of cost of providing one coat of best quality red oxide primer. -The design of M.S. grill should be got approved from departmental officers before use on works.-

Plastering with cement mortar 1:5 (One cement and five sand) 12mm thick in all floors complying with standard specifications and as directed by the departmental officers.

Special ceiling plastering and finishing the exposed surfaces of RCC work such as RCC slabs, sunshades, facia, canopy slab, staircase. Waist slab landing slab etc., with cement mortar 1:3 (One cement and three sand) 10mm thick including hacking and providing necessary cement mortar nosing, beading etc., wherever necessary and as directed with the same cement mortar etc., complete complying with standard specifications as directed by the departmental officers.

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.

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 over new iron works such as steel doors, windows, ventilators, window bar balustrades etc., with best approved first quality synthetic enamel paint of approved colour over the existing red oxide priming coat in all floors. The rate is inclusive of all materials, brushes and scaffolding charges etc., complete complying with standard specification -Paint should be got approved by the Executive Engineer before use on work-. - Two coat

Manufacturing, supplying and fixing of Entrance steel door coverd with the following specification. M.S angles of a size 40x40x6mm are used for the outer frames and M.S. angles of size 35x35x5mm for the shutter frames stiffeners with 32x6mm M.S. flat is provided at required intervals in the shutter frames 18 gauge C.R. sheet is laid as panel in the shutter and welded intact for 1/3 bottom portion of the shutter. M.S. flat 18x5mm is welded over the 32x6mm M.S. flat sand witching the CR sheet in between. Additional stiffener with 18x5mm M.S. flat is provided diagonally at the rear side of the shutter.

Supplying and fixing colour galvanum sheet roof of 0.47mm thickand steel tubular box section of 100x50x3mm of 1meter interval including priming coat fixing in position with all necessary accessories complete complying with standard specification and as directed by the departmental officers.

Supplying and Fixing of Aluminium Dye Cast Letters of approved size and colour. The colour treatment process is achieved with MRF colour coat and then the processed coloured layer is set into the kiln for the heat treatment process for the following sizes. (rate as per SSD).

Aluminium Dyecast letters 9'' size

Emblem - 15"

Supplying and applying of Two coats of putty of 3mm thick over the exposed RCC surface of ceiling including finishing the joints smoothly with grinding machine and the surface shall be thoroughly cleaned out of dust and scrubbing. The surface shall then be allowed to dry for atleast 48 hours. It shall then be sand papered (waterproof abrasive sheet) to give a smooth and even surface. Any unevenness shall be made good by applying 1st coat of putty mixed with water on the entire surface including filling up the undulations and applying 2nd coat of putty after 6 hours of 1st coat of putty and then sand papering (waterproof abrasive sheet) the same after it is dry and finishing the surface smoothly, etc., complete complying with standard specifications and as directed by the departmental officers. (The rates are inclusive of hire charges for grinding machine with wheel, cost of sand paper (water proof abrasive sheet) cost of putty blade, labour charges for grinding the joints and sand papering, two coats of putty, scrapping the putty area to level the surface smooth, etc., complete). The putty should be got approved by the Executive Engineer before use on work

Providing Blackboard in two layers with first layer in cement mortar 1:5 (one cement and five crushed stone sand)20mm thick and the second layer in Combination mortar 1:1:6(one cement one lime and six crushed stone sand) 20mm thick and providing band all round the block board in c.m 1:5 (one cement and five crushed stone sand) for 20mm thick and 50mm width including cost of one coat of block oxide paint of approved quality complying with standard specification.

Supply and fixing of stored pressure ABC (Mono Ammonium Phospate) Powder Type Fire Extinguisher of 6 kg. capacity as per IS 15683 with pressure gauge, discharge hose & control nozzie, wall mounting bracket, safety clip etc., ncluding conveyance, all incidental charges, necessary scaffolding and re-doing the dismantled portions to its original condition whererver found necessary etc complete as per standard specification and as directed by the Departmental Officers. Make: EXCELLENT/ SAFETY FIRST or EQUIVALENT. (rate as per SSD)

Providing granolithic floor finish of the following thickness with plain cement concrete 1:2:4 (One Cement, Two crushed stone 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. (The rate is inclusive of necessary planking for panelling wherever necessary and as directed by the departmental officers) (40 mm Thick)

Add GST

SRI EZHUMALAIYANCONSTRUCTION (BID ID -1202222)

N PALANIVEL (BID ID -1202231)