Replacement of damaged AC sheet over top roof of DG room and misc. repair works to T.E. Bldg. at Choudwar, under Cuttack BA.

Amount

Sub-Head : Dismantling and Demolishing

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 lime mortar

Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of:

Asbestos cement sheet

Sub-Head : Earth Work

Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5 m in width as well as 10 sqm on plan including getting out and disposal of excavated earth upto 50 m and lift up to 1.5 m, as directed by Engineer-in-Charge:

All kinds of soil

Earth work by mechinical / manual means in rough excavation, banking excavated earth in layers not exceeding 20cm in depth, breaking clods, watering, rolling each layer with 'A tonne roller or wooden or steel rammers, and rolling every 3rd and top-most layer with power roller of minimum 8 tonnes and dressing up in embankments for roads, flood banks, marginal banks and guide banks or filling up ground depressions, lead upto 50 m and for all lift.

All kinds of soil

Sub-Head : Concrete Work

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:2:4 (1 cement : 2 coarse sand(zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources)

Sub-Head : Cladding Work

Designing, fabricating, testing, installing and fixing in position Curtain Wall with Aluminium Composite Panel Cladding, with open grooves for linear as well as curvilinear portions of the building , for all heights and all levels etc. including:

(a) Structural analysis & design and preparation of shop drawings for pressure equalisation or rain screen principle as required, proper drainage of water to make it watertight including checking of all the structural and functional design.

(b) Providing, fabricating and supplying and fixing panels of aluminium composite panel cladding in pan shape in metalic colour of approved shades made out of 4mm thick aluminium composite panel material consisting of 3mm thick FR grade mineral core sandwiched between two Aluminium sheets (each 0.5mm thick). The aluminium composite panel cladding sheet shall be coil coated, with Kynar 500 based PVDF / Lumiflon based fluoropolymer resin coating of approved colour and shade on face # 1 and polymer (Service) coating on face # 2 as specified using stainless steel screws, nuts, bolts, washers, cleats, weather silicone sealant, backer rods etc.

(c) The fastening brackets of Aluminium alloy 6005 T5 / MS with Hot Dip Galvanised with serrations and serrated washers to arrest the wind load movement, fasteners, SS 316 Pins and anchor bolts of approved make in SS 316, Nylon separators to prevent bi-metallic contacts all complete required to perform as per specification and drawing. The item includes cost of all material & labour component, the cost of all mock ups at site, cost of all samples of the individual components for testing in an approved laboratory, field tests on the assembled working curtain wall with aluminium composite panel cladding, cleaning and protection of the curtain wall with aluminium composite panel cladding till the handing over of the building for occupation. Base frame work for ACP cladding is payable under the relevant aluminium items.

The Contractor shall provide curtain wall with aluminium composite panel cladding, having all the performance characteristics all complete , as per the Architectural drawings, as per item description, as specified, as per the approvedshop drawings and as directed by the Engineer-in-Charge. However, for the purpose of payment, only the actual area on the external face of the curtain wall with Aluminum Composite Panel Cladding (including width of groove) shall be measured in sqm. up to two decimal places.

Sub-Head : Steel Work

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.

In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works.

Providing & fixing glass panes with putty and glazing clips in steel doors, windows, clerestory windows all complete with :

5.5 mm thick glass panes.

Sub-Head : Roofing

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /seIf tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

Sub-Head : Finishing

15 mm cement plaster on the rough side of single or half brick wall of mix :

1:6 (1 cement: 6 fine sand)

Finishing walls with Acrylic Smooth exterior paint of required shade :

New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade:

Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture.

Lettering with black Japan paint of approved brand and manufacture

Sub-Head : Repairs to Buildings

Repair to plaster of thickness 12mm to 20 mm in patches of area 2.5 sqm and under, including cutting the patch in proper shape, raking out joints and preparing plastering the wall surface with white cement based polymer modified self curing mortar, including disposal of rubbish, all complete as per the direction of Engineer-In- Charge.

Disconnecting damaged overhead/terrace PVC water storage tank of any size from water supply line and removing from the terrace including shifting at ground level as per direction of Engineer-in- charge.

Dismantling 15 to 40 mm dia G.I. pipe including stacking of dismantled pipes (within 50 metres lead) as per direction of Engineer-in-Charge.

(a) Internal Work- Exposed on wall

Sub-Head : Water Supply

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. : Internal work - Exposed on wall.

20 mm nominal outer dia. Pipes.

25 mm nominal outer dia .Pipes.

Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

Providing and fixing PTMT extension nipple for water tank pipe, fittings of approved quality and colour.

25mm nominal bore. Weighing not less than 62 gms.

Cutting holes up to 30x30 cm in walls including making good the same:

With common burnt clay F.P.S. (non modular) bricks.

Cutting holes up to 15x15 cm in R.C.C. floors and roofs for passing drain pipe etc. and repairing the hole after insertion of drain pipe etc. with cement concrete 1:2:4 (1 cement :2 coarse sand : 4 graded stone aggregate 20 mm nominal size), including finishing complete so as to make it leak proof.

Sub-Head : Market Rated Items

Providing and fixing CPVC unions for CPVC pipe line including cutting and fixing all complete as per direction of Engineer in Charge.

For 25mm dia pipe line

Cleaning of terraces of quarters / telephone exchanges etc., including cleaning of spouts, removal of debries, dead-leaves, garbage etc., and disposal of rubbish to dumping ground as directed.

Repairs to rolling shutter as directed by Engineer-in -charge.

(i) Replacing springs.

Uprooting & removal of wild growth & vegetations, plants, on bldg at any level upto 15 M by necessary scafolding and swing and providing & applying a dilute hydrochloric acid on the root area etc complete as directed by Engineer in charge.

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i)Single socketed pipes.

163 mm dia pipe

Providing and fixing CPVC Ball valve with handle of approved quality in CPVC pipe line etc complete as per direction of Engineer-in-charge:

25 mm diameter

Providing and fixing CPVC brass FTA/MTA in CPVC pipe including cutting the pipe etc complete as per direction of Engineer-in-charge. .

25 mm Diametre

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 loads including all lifts involved.

Engaging labour for miscellaneous works such as cleaning of open surface drains of any size, roof, terrace, chajjas at any floor including removal of debrishes, sullage and disposal within a lead of 50 metre all complete as per direction of Engineer-in-charge.

Providing and fixing double scaffolding system on the exterior side upto seven storey height made with best quality bamboo ballies 1.5 m centre to centre, horizontal and vertical ballies joining with best quality coir ropes, 38 mm thick local hard wood planks for working platform and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc complete as per direction of Engineer-in-charge. The elevational area of the scaffolding shall be measured for payment. The payment will be made once irrespective of duration of scaffolding.