TECHNICAL BID for the work of Reconstruction of Collapsed Compound Wall, Repairs and Maintenance to TE building at ALUR in Kurnool BA. (3rd Call)

Smooth finishing of the exposed surface of R.C.C. work with 6 mm thick cement mortar 1:3 (1 Cement : 3 fine sand).

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in:

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in :

Providing and fixing ISI marked aluminium butt hinges anodised (anodic coating not less than grade AC 10 as per IS: 1868) transparent or dyed to required colour or shade with necessary screws etc. complete:

Providing and fixing aluminium sliding door bolts ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade with nuts and screws etc. complete :

Providing and fixing aluminium tower bolts ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868 ) transparent or dyed to required colour or shade with necessary screws etc. complete :

Providing and fixing aluminium handles ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade with necessary screws etc. complete :

Providing and fixing aluminium hanging floor door stopper, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour and shade, with necessary screws etc. complete.

Providing and fixing to existing door frames.

The lock rail made up of ‘H’ section, a uPVC hollow section of size 100x24 mm and 2 mm (± 0.2 mm) wall thickness, fixed to the shutter styles by means of plastic/galvanised M.S. ‘U’ cleats. The shutter frame filled with a uPVC multi-chambered single panel of size not less than 620 mm, having over all thickness of 20 mm and 1 mm (± 0.1 mm) wall thickness. The panels filled vertically and tie bar at two places by inserting horizontally 6 mm galvanised M.S. rod and fastened with nuts and washers, complete as per manufacturer’s specification and direction of Engineer-in-charge. (For W.C. and bathroom door shutter).

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete.

Providing corrugated G.S. sheet roofing including vertical / curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (up to 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.

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.

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for 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.

12 mm cement plaster of mix :

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 :

Wall painting with acrylic emulsion paint, having VOC (Volatile Organic Compound) content less than 50 grams/ litre, of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour.

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

Finishing walls with Acrylic Smooth exterior paint of required shade :

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq. meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground , all complete as per directions of Engineer-In-Charge.

Renewing glass panes, with putty and nails wherever necessary including racking out the old putty:

Cleaning and de-silting of gully trap chamber, including removal of rubbish mixed with earth etc. and disposal of same, all as per the direction of Engineer-in-charge.

Cleaning of chocked sewer line by diesel running vehicle mounting hydraulic operated high pressure suction cum jetting sewer cleaning machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity including skilled operator, supervising engineer etc. for cleaning and partial de-silting of manholes and de-chocking of sewer lines. De-chocking and flushing of sewer line from one manhole to another by high pressure jetting system of 2200 PSI for sewer line from 150mm dia upto 300mm dia for all depth.

Cleaning of under ground sump, Over Head R.C.C. Tank (independent staging) including disposal of slit and rubbish, all as per direction of Engineer-in-Charge. The cleaning shall consist following operations:-

(i) Tank shall be emptied of water by pumping & bottom shall be cleaned of slit and other deposits.

(ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water.

(iii) Chlorination of RCC internal surface by liquid chlorine.

(iv) The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface.

(v) Finally the surface shall be treated with ultraviolet radiation etc. 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.

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.

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

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.

Providing and fixing wash basin with C.I. brackets, 15 mm PTMT pillar cock, 32 mm PTMT waste coupling of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever required. White Vitreous China Flat back wash basin size 550x400 mm with single 15 mm PTMT pillar cock.

Providing and fixing P.V.C. low level flushing cistern with manually controlled device (handle lever) conforming to IS : 7231, with all fittings and fixtures complete.

Providing and fixing white vitreous china flat back or wall corner type lipped front urinal basin of 430x260x350 mm or 340x410x265 mm sizes respectively.

Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete.

Providing and fixing mirror of superior glass (of approved quality) and of required shape and size with plastic moulded frame of approved make and shade with 6 mm thick hard board backing :

Providing and fixing PTMT towel ring trapezoidal shape 215 mm long, 200 mm wide with minimum distances of 37 mm from wall face with concealed fittings arrangement of approved quality and colour, weighing not less than 88 gms.

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

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 bib cock of approved quality and colour.

Providing and fixing PTMT stop cock of approved quality and colour.

Providing and fixing PTMT pillar cock of approved quality and colour .

Providing and fixing PTMT grating of approved quality and colour.

Providing and fixing PTMT angle stop cock 15 mm nominal bore. Weighing not less than 85 gms.

Providing and fixing PTMT soap Dish Holder having length of 138 mm, breadth 102 mm, height of 75 mm with concealed fitting arrangements. Weighing not less than 106 gms.

Providing and fixing unplasticised P.V.C. connection pipe with PTMT Nuts, collar and bush of approved quality and colour.

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

Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge.

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.

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.

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).

Providing, mixing and applying SBR polymer (of approved make @ minimum 2% by wt. of cement used) modified plain/reinforced cement concrete for structural members having minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10mm maximum size in proportion as per design criteria] with specified average thickness. Note: Rates shall be for finished surface area of concrete and shall include the cost of labour, concrete and appropriate approved Super- Plasticiser for rendering concrete as flowable and SBR polymer but shall exclude cost of reinforcement, bond coat, Shear Keys, centering and shuttering, strutting, propping etc. (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)

Supply mixing and application of ready to use anticorrosive coating Nitozinc Primer of M/s Fosroc chemicals (India) Pvt. Ltd., or equivalent in two coats @ 28ml per R.M. (Proportion of 668ml Nitozinc base + 400 mlNitozinc primer hardener = 1 ltr) to the exposed steel reinforcements, stirrups, lateral ties of slabs, beams & columns complete as per the manufacturer's specification and as per the instructions of Engineer in charge, the rate is inclusive of the cost of all materials, hire charges of tools, labour charges etc.., (Scaffolding will be paid for separately under relevant item).

Supplying and filling up the cracks on vertical / horizontal surfaces of external walls with crack cealing cementitious materials Rendroc CS of M/s Fosroc chemicals (India) Pvt. Ltd. Or equivalent mixed with water in the ratio of 1 ltr water to 2.78 kg powder at the rate of 10 RM / kg powder per groove after making 'V' groove along the crack, curing for 14 days complete as per manufacturers specifications and as per the directions of Engineer in charge. Cost inclusive of all materials, labour charges, hire charges for T&P etc. (Scaffolding will be paid for separately under relevant item).

Cleaning of ceramic tiles in flooring, dados . skirting etc., by applying approved cleaning liquid and removing stains including cleaning of sanitary items like water closet, wash basing , urinals etc., complete.

Providing and fixing GI pipe clips of approved design and required length to unplasticised PVC rain water pipes / soil waste and vent (SWR) pipes screwed with M.S screws of required length complete.

Taking out existing Aluminium door shutters and refixing to existing frames, after attending necessary repairs like cutting wherever required including cost of screws, cleats, and providing M.S. fully threaded round bar on top & bottom rails of shutters labour charges etc., complete as direction by the Engineer-in-charge.

Removing of vegetation growth on wall at all heights including complete removal of root if any inside wall and disposal away within the campus up to a lead of 50metres as directed by the Engineer-in-charge. (Scaffolding will be paid for separately under relevant item).

Providing and fixing double scaffolding upto seven storey height made with casurina posts of dia upto 100mm dia 1.50m centre to centre (both horizontal and vertical casurina posts of dia upto 100mm dia.) joining with ropes, nails, etc.and maintaining it in a serviceable condition for the required duration as approved and removing it there after .The scaffolding system should be provided with essential safety feautures of the workmen etc.complete all as directed by the Engineer-in-charge. (The elevational area shall be measured for payment.)

Providing and fixing brass forged ball valve of approved quality (Zoloto make or equivalent) - (screwed end) :

Deduct for taking possession and disposal of following unserviceable materials in as is where is condition.

TOTAL

1. यदि किसी भी दर को रिक्त छोड़ दिया जाता है, तो वह "शून्य" माना जाएगा. 1. If any cells (Rates) left Blank, then the same will be treated as "Zero".

CONTRACTOR

BSNL Civil Division,TIRUPATI