Public Works Department Tender

Providing two legged scaffolding using 15cm dia blue gum post or casurina poles or best quality bamboo post of 4m over all length (3m height +0.50m into the ground + 0.50m projection) the distance between two rows being 1.25m and the spacing of post being 2m in the both the rows with two horizontal post with 0.50m over lap on either side and braces at 2m c/c incluyding longitudinal and tranverse middle braces to step and providing a platform with country wood planks of 40mm thick and 1m width etc. in a complete form using coire and nails -1 RM etc; complete complying with standard specification and as directed by the departmental officers.

Providing and laying in position, Standardised Concrete Mix M-20 Grade in accordance using with IS:456-2000, 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, improve workability without impairing strength and durability with about (5cu.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 M 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 Super structure in Third Floor

Supplying, fabricating and placing in position of steel reinforcement using MS (or) RTS rods for all RCC item of works including cost of steel and binding wire in all floors etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and erecting steel centering including necessary supports for plane surfaces, for all RCC works including strutting upto 3.29m in all floors using mild steel shutters of size 90cmx60cm of BG 10 stiffened with mild steel angles of size 25mmx 25mmx3mm laid over silver oak (Country wood) Joists of size 10cmx6.5cm spaced at about 90cm c/c and supported by casurina props of 10cm to 13cm dia. (spaced at 75cm c/c) etc., complete complying with standard specification and as directed by the departmental officers. (The centering will be removed after specified period of concrete without damaging the concrete)

For plane surface such as RCC floor slab, roof slab, beam litels bed blocks, landing slab, waist slabs and beams, etc.,

For plane surface such as rectangular or square RCC columns, sunshdes, top and bottom slab of RCC, etc.,

Providing additional strutting using casurina poles to centering of RCC slabs or plane surfaces for every addtional 1 metre height or part there of but not less than 30cm over the initial height of 3m from floor level using casurina props of 10cm to 13cm dia including cross bracings etc., complete complying with standard specification and as directed by the departmental officer.

Brick work in cement mortar 1:6 (one cement and six M sand) using Fly Ash bricks of size 230×110×70mm including curing etc., complete complying with standard specification and as directed by the department officers. (Masonry projections wherever necessary for obtaining required elevation shall be done without extra cost).

For Super structure in Third Floor

Brick work partition wall 11.10 cm thick using Fly Ash bricks of size 230×110×70mm in cement mortar 1:3 (One cement and three M sand including fixing hoop iron reinforcement if found necessary, laying, finishing and curing etc., complete complying with standard specification and as directed by the departmental officers.

For Super structure in Third Floor

Supplying and Fixing RCC precast slab of 50mm thickness in reinforced cement concerete 1:2:4 (One of cement, two of M sand and four of aggregate) using 20mm hard broken stone jelly and M sand, excluding the cost of reinforcement grills and including fabrication charges, moulding, curing, finishing charges and fixing in position neatly etc., complete complying with standard specification and as directed by the departmental officers.

Plain Cement concrete 1:2:4 (One cement two m-sand and four aggregate) using machine crushed 10-12mm gauge hard broken granite stone jelly excluding cenetering, shuttering and, but including laying, curing and finishing etc., complete complying with standard specification and as directed by the departmental officers.

Finishing the top roof with one course of solar reflecting ceramic tiles of size 305x305x7mm thick of approved quality set in cement mortar 1:3 (One cement and three M sand) (12mm thick ) and mixed with for 10M2 / 4.00 kg Epoxy Packing conforming to ISS including curing etc., complete complying with standard specification and as directed by the Departmental officers.

Supplying and fixing in position best approved of ISI quality of 160mm diameters of PVC rain water down fall pipes having a working pressure of 4 kg / sq.cm including cost of necessary PVC shoe, PVC bend, C.I. gratings of required diameter and special clamps, brass screws, nails etc., and fixing of cast iron gratings at juction of parapet and the RCC roof slab including finishing, neatly etc., complete. The rate shall be inclusive of cost of removable iron grating. The PVC pipe shall be fixed in wall with special type of clamps. Special type "U" clamp at the centre of the pipe line shall be fixed in addition to those for more than 3.0M pipe length complying with standard specification.

Paving the floor with Double charged Designed Vitrified Tiles of approved quality and colour of size 600x 600x8mm for flooring in all floors over a base layer of cement mortar 1:3 - 20mm thick and pointing with white cement using 0.30kg of white cement per square metre including adding suitable colour pigments to suit the colour of tiles are finishing perfectly and curing as directed by the Departmental Officers including cost of tiles, all materials and incidental charges, transportation charges and labour charges for laying tiles as directed by the Departmental Officers complete complying with standard specification.The tiles should be got approved by the Departmental Officers before use on work.

Supplying and applying of two coats of putty of 3mm thick over the walls and ceilings including finishing the joints smoothly with grinding machine and the surface shall be thoroughly cleaned out if dust and scrubbing. The surface shall then be allowed to dry for atleast 48 hours. It shall then be sand papered( water proof abrasive sheet) to give asmooth and even surface. Any unevenness shall be made good by applying ist 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 the same after it is dry and finishing the surface smoothly etc., complete complying with standard specification and as directed by the departmental officers. The rates are inclusive of hire charges for grinding machine with wheel, cost of sand paper cost of putty blade, labour charges for grinding the joints and sand pepering, 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.

Plastering with cement mortar 1:5 (one cement and five p-sand) 12mm thick in all floors using fine P sand including neat finishing, curing, etc., complete complying with standard specification and as directed by the department officers.

Fabricating supplying and fixing in position CRCA pressed steel box section 18 gauge or 1.25mm thick for door frames of section size 105mmx60mmx1.25mm thick with necessary rebate of size 35x15mm for housing door shutters conforming to IS specification. Frames shall be fabricated to the specified door size with joints properly welded and grinded. Stiffeners with 25x3mm MS flat shall be provided around the frame at 60cm intervals. The cost shall also include for providing 3 Nos. of MS clamps with 25x3 flats each on either sides of door frame, providing bottom tie, with 10mm dia MS rod, providing necessary holes for receiving tower bolts 2 Nos. with stiffeners on inner side, providing the required number of I.O hinges of size 125x30mm for shutters properly welded to the frames, finishing the door with one coat of good quality red oxide primer with cement concrete 1:2:4 (One cement, two sand and four aggregate) using 20mm gauge hard broken granite stone jelly packed inside to the frame including cost of all materials, fabrication and conveyance to the site and fixing in position with necessary scaffolding etc., complete complying with standard specification and as directed by the departmental officer.

Supplying and fixing in postion of 35mm thick solid core flush door shutters with following specification. with TW ply on both sides and with TW lipping of size 35x12mm on all edges with necessary adhesives and C.P. Screws Alu. Butt Hinges (6 nos. 250 x 16 mm Size) Alu. Aldrop1 No. 250 x 16 mm Size, Alu. Tower Bolt 2 No. 250 x12 mm size, alu. Tower Bolt 2 No. 200 x 12 mm size, D type alu. Handle 200mm length 2 No., alu. door stopper with rubber bush 2 No. shall be provided, as directed by the departmental officers etc., complete.

Double Leaves

Manufacturing, Supplying and Fixing in position of M.S.steel window Three leaves with following specifications. The outer frame of window made out "Z" section (F7D) of size 33x25x3mm at 1.419 Kg/m and mullion of "J" section (F4B) of size 45x25x3mm at 2.28 Kg/m. Shutter made out of (F7D) section of size 33x22x3mm at 1.419 Kg/m. Each openable shutter should not be exceeded a width 600mm to enable separate operations and easy maintenance. 2Nos. of sturdy hinges and one number of handle cum latch of special type make with 18x5 MS flat are revetted to the shutters of an appropriate height in each window shutter. 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 shutter having an adjustable window stay made out of 18mmx5mm at 0.70 kg/m MS flat of length 320mm with free adjustable positions.

A matching peg is provided in the outer frame of the window, at suitable place, 4Nos of holdfasts of 200mm length MS angle 40x40x6mm the ends are welded to the outer frame of the window, 18 mmx 5 mm at 0.70 kg/m MS flat is welded to the shutter at two places, equal distance from each other from top and bottom of the shutter. 18 gauge cold rolled sheet of superior quality is laid as panel in the shutter frames and welded intact. Stiffeners with 18x5mm at 0.70 kg/m MS flat of suitable length welded diagonally to all four corners of each openable shutter to hold the CR sheet in position firmly. MS square bars of 12mm size is welded to the inner face of the window at equal intervals not exceeding 100mm edge to edge between them. All members are painted with one coat of anticorrosive red oxide primer as directed by the departmental officers. All sections used should confirm to IS 7542 / 1990. The rate includes cost of all materials, labour charges, transportation to taxes and other incidental charges etc. complete.

Supplying and fixing MS grills to doors, windows and ventilators etc. using necessary MS flats (or) square rods for inner members and outer members which should be fixed to window frames as directed and design given by the departmental officers inclusive of cost of providing one coat of best quality red oxide primer etc., complete complying with standard specification and as directed by the departmental officers .

Painting the exterior walls surface two coats of best and approved first quality and colour of Exterior emulsion paint in all floors over one coat of primer including preparation of surface, wall putty two coats with good quality including cost of wall putty , emmary sheet, plates, etc. and including labour charges for rubbing the wall scrapping putty pasting works and making good smooth surface and finishing neatly etc., . complying with standard specification and as directed by the departmental officers etc. complete. ( The make, quality and colour of paint should be got approved by the departmental officer before use of work)

Painting two coats of newly plastered wall surface with ready mixed plastic emulsion 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.

Painting the new iron work with two coats of best approved first quality and colour of synthetic enamel paint over the existing red oxide priming coat in all floors excluding cost of priming coat and including cost of painting materials, brushes, putty, preparation of surfaces and scaffolding charges etc., complete complying with standard specification and as directed by the departmental officer. (The quality and colour of paint should be got approved by the departmental officer before use on work).

Painting the new wood work two coats with best approved first quality and colour of synthetic enamel paint over a priming coat of approved quality in all floors including cost of paint, labour and other materials like brushes, putty and scaffolding charges etc., complete complying with standard specification and as directed by the departmental officers. (The make quality and colour of paint should be got approved by the departmental officer before use on work).

Supplying and installation of Ceramic Steel chalk writing board with the following specification. The 2mm GI Sheet is placed with wall side over the GI sheet necessary adhesive is spreaded and fixed the 9mm MDF board on the GI sheet 0.40mm thick ceramic steel chalk board is provided over the MDF board and the whole arrangements are fixed to the frame using heavy anodized Aluminium section and Chromium plated provided in the corners. The whole arrangement are fixed to the wall using wooden plugs and screws etc., The rate includes all above materials, labour charges and taxes etc., complete complying with standard specification and as directed by the departmental officers.

Providing expansion joint of RCC floor slab for 12.5mm width using polysulphide as sealent on top and bottom for a depth of 150mm each and packing the inner space using compressible non - absorbent, filler materials including cost of labour for cutting and fixing filler materials and laying polysulphide sealent with necessary spatula etc., complete complying with standard specifications and as directed.

Providing expansion joint of 12.5mm width in RCC roof slabs between RCC twin beams using PVC water bar of 150mm wide centre bulb of 4mm to 6mm thickness of approved quality and brand and including filling the inner space with suitable non - absorbent, flexible and well compressible filler materials of approved quality and covering top surface with GI sheet 30cm wide and 1.6mm thick using phill plugs, GI screws, limpet cup washers, bitumen washers, etc., complete complying with standard specifications and as directed.

GST 18 %