Repair and Maintenance to the Corporation Elementary School at Urumandampalayam in Ward no.14, North Zone

Amount

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders SS.20B and Sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete

Plain Cement Concrete 1:4:8 (one cement four fine aggregates and eight coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification

Supply and erecting shuttering including necessary supports for plane surfaces such as RCC column, footing, plinth beam, stair case etc., in all floors using mild steel sheets of 90cm X 60cm and 10 gauge stiffened with welded mild steel angle for boarding supported by casurina props at suitable intervals etc., completed complying with standard specification and as directed. Sl.No.122

Supplying and erecting steel centering including necessary supports for plane surfaces such as rectangular or square RCC columns, sunshades, top and bottom slab of RCC boxing, etc.

Supply and erecting centering for sides and soffits including supports and strutting upto 3.29m high for plane surfaces such as RCC slabs, Rectangular beems, Tee (or) ECC Beam, Lintel, Bed Block, Staircase waist and landing slabs landing beams, canopy etc., in all floor with all cross bracings using mild steel sheets of size 90cm X 60cm and BG 10 stiffened with welded mild steel angles of size 25mm X 25 X 3mm for boarding laid over country wood joinsts of size 10cm X 6.50 cm spaced at about 90cm C/C and supports by Causrina props of 10cm to 13cm dia spaced at 75cm C/C etc., completed as directed. Sl.No.123

M-20 CONCRETE - Providing and laying in position, standarised design mix M-20 Grade using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 350Kg/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, improve workability without impairing strength and durability with about (5.70 cu.m.)940.50Kg of 20mm machine crushed stone jelly and with about (2.80 cu.m.)462.00Kg of 10-12mm machine crushed jelly and with about (4.25 cu.m.)701.25Kg of 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 neccessary without clambing 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 requierments of IS 383-2016. (No separate payment will be made by the department for the exces usage of materials as per design mix.) (SI No 81)

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.

Fly ash Brick work in CM 1:5 (one cement & five sand) using size 9"X4 3/8"X 2 3/4" including finishing, curing, etc., complete complying with standard specification -

Finishing the top of roof with one course of machine pressed tiles of size 200 mm x 200 mm x 20 mm of approved quality in Cement Mortar 1:3 (One Cement add three sand) 12 mm 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

Providing UPVC (Un-Plasticized Polyvinyl Chloride) Door: Providing and fixing casement doors fabricated from un-plasticized polyvinyl chloride (uPVC) sections. Profiles: The profiles should be three chamber system which provides high insulation properties with outer frame 60mm x 55mm 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 25 x 24 x 25mm steel reinforcement with a thickness of 1mm to have dimensional stability. The sash should be of 60 x 102mm. The mullion should be of 60 x 74mm. 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 degrees. The window should be designed such that the water drainage does not pass through the reinforcement chamber. The window system should be fixed directly to the plastered brick wall using self expanding nylon plug and driving ms electroplated screws into plug

Manufacturing, Supplying and Fixing of Stainless Steel Hand rails for staircase using 50mm dia 304L Grade Stainless Steel pipe of 1.60mm thick at required locations to a height of 900mm from finished floor level welded to 38mm dia Stainless Steel pipe post of 1.00mm thick as vertical at 900mm centre with 2 Nos. of 25mm dia intermediate horizontal stainless steel pipe of 1.60mm thick in between. The vertical pipe has to be welded to the 100 X 100 X 6mm MS base plate encased in the base concrete. The rate is inclusive of the charges for cutting, bending, welding, grinding, polishing, conveyance, electrical charges, etc. complete PWD SOR Pg. No. 63 Sl.No. 239

Supply and fixng of TNEB meter board suitable for 3 phase 200A service connection made up of suitable angle iron frame work of size 3 feet x 2 feet using angle iron of size 1-1/2" x 1-1/2" x 1/4" rigidly fixed on wall covered with hylem sheet of size 3 feet x 2 feet of 12mm thickness with necessary bolts and nuts supports and supply and fixing of 3 Nos. 200A fuse units (500V), 1 No. neutral link, copper earth flat of size 1" x 1/4" with inter connection of EB meter to fuse units by 19/16 PVC insulated copper wire with earth connection complete SD 131

Supply and Fixing of 63 Amps 4 Pole ELCB s per directional of departmental officers

Supply and Fixing of 63 Amps Fuse carrier s per directional of departmental officers

Supply and Fixing of Light Indicator as per directional of departmental officers

Supply of 63Amps 4 Pole Isolator as per directional of departmental officers

Supply of 4x6 Sq.mm PVC Service Connetion Cable as per directional of departmental officers

Supply of 16Amps MCB as per directional of departmental officers

Supply of 6Amps MCB as per directional of departmental officers

Supply of PVC Pipes and Specials as per directional of departmental officers

110mm dia PVC Pipe

110mm dia PVC Door Elbow

110mm dia PVC End Cap

63mm dia PVC Pipe

63mm dia PVC Coupling

63mm dia PVC Bend

63mm dia PVC Elbow

63mm dia PVC Tee

25mm dia PVC Pipe

25mm dia PVC Coupling

25mm dia PVC Bend

25mm dia PVC Elbow

25mm dia PVC Tee

Painting two coats with ready mixed Plastic Emulsion Paint approved quality and colour over a priming coat, including thorough scrapping, clean removal of dirt, etc complete as per standard specification. - 10 sq.m

Painting with enamel paint over Base coat , including thorough scrapping, clean removal of dirt, etc complete as per standard specification. - 10 sq.m

Add :- GST @ 18%

ARUN CONSTRUCTIONS (BID ID -1234452)

RPS CONSTRUCTIONS (BID ID -1234461)