Providing Prepainted Steel sheet covering for north side windows, Toilet shaft opening and parapet in east side of PGM office building, Coimbatore.

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

All kinds of soil.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 5.0 in superstructure above plinth level up to floor V level in all shapes and sizes in :

Cement mortar 1:6 (1 cement : 6 coarse sand)

Providing and laying autoclaved aerated Concrete (AAC) blocks masonry with 100mm / 125 mm thick with Grade 1 AAC blocks of density 551 to 650 kg/cum conforming to IS:2185 (Part 3) in super structure above plinth level up to floor V level in cement mortar 1:4 (1 cement : 4 coarse sand ). The rate includes providing and placing in position 2 Nos 6 mm dia M.S. bars at every third course of masonry work.

Providing and fixing factory made uPVC glazed/wire mesh windows/doors comprising of lead free uPVC multi-chambered frame, sash and mullion/coupler (where ever required) extruded profiles having minimum wall thickness of 1.70 mm for Series R1 and R2 profiles and 2.10 mm for Series R3 and R4 profiles conforming to EN: 12608 in any shape, colour and design duly reinforced with galvanized mild steel section made of required shape & size as per CPWD Specification, uPVC extruded glazing beads, interlocks and Inline sash adaptor (where ever required) of appropriate dimension, EPDM gasket, hardware, SS 304 grade fasteners of minimum 8 mm dia with countersunk head, comprising of matching polyamide PA6 grade sleeve for fixing frame to finished wall as per IS 1367 : Part 1 to 14, plastic packers, plastic caps and necessary stainless steel screws

etc. Profile of frame, sash & mullion (if required) shall be mitred cut and fusion welded/mechanically jointed duly sealed at all corners, including drilling of holes for fixing hardware and drainage of water etc. After fixing frame the gap between frame and adjacent finished wall shall be filled with weather proof silicon sealant over backer rod pf approved size and quality, all complete as per approved drawing conforming to CPWD specification & direction of Engineer-in-Charge. Section of steel reinforcement and cross sections of uPVC profiles to be as per design approved by Engineer-in-Charge. Wire mesh / Glazing of plain/ toughened/ laminated/ double glass unit with / without high performance coatings as per design requirements and conforming to IS: 3548 & IS:16231 shall be paid separately.

Note:- Structural design proof checked from a Government Engineering Institute, to be provided by the manufacturer for: (i) Sites with basic wind speed > 45 m/sec as per IS 875 - Part 3 ,(ii) Sites with structure height more than 20m for all wind speeds.

a)Fixed window / ventilator with mullion / transom. A)Using R1 series with frame (33mm & above ) x (35mm & above) & mullion (33mm & above) x (50mm & above). (Height upto 0.90 meter)

Refixing the available Paver floor tiles of all sizes laid over 20 mm thick cement mortar 1:4 (1 Cement : 4 Coarse sand) and jointing with grey cement slurry at 3.3 Kg/Sqm including grouting the joints with white cement and matching pigments etc., complete as directed by the Engineer-in-charge.

Providing and fixing wall facia clay tiles of size 230x75x10mm of approved colour, design, shape and configuration laid over 12 mm thick cement mortar 1:3 (1 Cement : 3 Coarse sand) all complete as directed by the Engineer-in-charge.

Providing and fixing precoated galvanised iron profile sheets of size 0.95x1.20m size, 0.45mm thick as per IS-277. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces over MS hollow section 50x25mm frames with size 0.95 x 0.85m overall (3 nos 0.95m in longer direction & 2 nos of 0.85m in shorter direction) and MS flat 25x10mm lugs 0.20m long with holes for fixing in the Wall/Column, for providing sunshade for existing windows, including necessary scaffolding, lifting to position upto floor V level all complete as directed by the Engineer-in-charge.

12 mm cement plaster of mix :

1:6 (1 cement: 6 fine sand)

Renewing glass panes, with wooden fillets wherever necessary:

Float glass panes of nominal thickness 4 mm (weight not less than 10kg/sqm).

Providing and applying Fosroc Nito Zinc primer 2 coats to the exposed steel reinforcing bars before applying repair mortar as per the maufacturers specification and direction all complete as directed by the Engineer-in-charge (The SBR plastrering area is measured for payment).

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge..

In cement mortar

Dismantling steel work manually/ by mechanical means in built up sections without dismembering and stacking within 50 metres lead as per direction of Engineer-in-charge

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Credit for unserviceable steel reinforcement bars recovered from the demolished RCC structures all complete as directed by the Engineer-in-charge.

Credit for unserviceable steel sections such as angles, tees, channel, joists, pipes and chequered plates recovered from dismantling of steel work all complete as directed by the Engineer-in-charge.

Dismantling the existing precast cement concrete Jali of all thickness upto floor V level and stacking at required place all complete as directed by the Engineer-in-charge.

Providing and fixing Unplasticized Polyvinyl Chloride (UPVC) pipes including all UPVC plain threaded fittings including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step UPVC solvent cement and testing of joints complete as per direction of Engineer-in-Charge. Internal work - Exposed on wall.

25 mm nominal outer dia pipes

50 mm nominal outer dia pipes

Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge.

Bars upto 12 mm diameter

Bars above 12 mm diameter

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect.

SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer

Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge. Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2).

25 mm average thickness in 2 layers.

DANI ENGINEERS (BID ID -910847)