various urgent nature works for residential family quarters at 3 Signal Bn, CRPF campus and Repairing, servicing and overhauling of the various urgent nature water supply works/160 KVA DG Set at 3 Signal Bn CRPF, Sector V, Salt Lake, Kolkata 91 WB.

Amount

Sub Work No 1 : Repair and replacement of damaged wooden doors & Cup board by new flush door shutter & new Cup board in various residential buildings at 3 Signal Bn, CRPF, Sector- V, Salt Lake , Kolkata (W.B.) .Providing and fixing ISI marked flush door shutters conforming to IS : 2202 (Part I) non-decorative type, core of block board construction with frame of 1st class hard wood and well matched commercial 3 ply veneering with vertical grains or cross bands and face veneers on both faces of shutters:

30 mm thick including ISI marked Stainless Steel butt hinges with necessary screws

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.

Single rubber stopper

Applying priming coat:

With ready mixed pink or Grey primer of approved brand and manufacture on wood work (hard and soft wood)

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

Two or more coats on new work

Taking out doors, windows and clerestory window shutters (steel or wood) including stacking within 50 metres lead :

Of area 3 sq. metres and below

Providing and fixing 25 mm thick shutters for cup board etc. :

Panelled or panelled & glazed shutters :

Superior class teak wood including nickel plated bright finished M.S. piano hinges with necessary screws.

Providing and fixing bright finished brass handles with screws etc. complete

Providing and fixing bright finished brass hasp and staple (safety type) with necessary screws etc. complete :

Sub Work No 2 : Repair, maintenance and roof treatment of Type-II Block No. 3 & 7at 3 Signal Bn, CRPF, Sector-V, Salt Lake, Kolkata-91 (W.B.). Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.

Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Grading roof for water proofing treatment with

Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size)

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 direction of Engineer-in-Charge.

With cement mortar 1:4 (1 cement : 4 fine sand)

"Providing and laying APP (Atactic Polypropylene Polymer) modifiedprefabricated five layer 3 mm thick water proofing membrane, black finished reinforced with non-woven polyester matt consisting of a coat of bitumen primer for bitumen membrane @ 0.40 litre/sqm by the same membrane manufacture of density at 25°C, 0.87-0.89 kg/ litre and viscosity 70-160 cps. Over the primer coat the layer of membrane shall be laid using Butane Torch and sealing all joints etc, and preparing the surface complete. The vital physical and chemical parameters of the membrane shall be as under : Joint strength in longitudinal and transverse direction at 23°C as 650/ 450N/5cm. Tear strength in longitudinal and transverse direction as 300/250N. Softening point of membrane not less than 150°C. Cold flexibility shall be upto -2°C when tested in accordance with ASTM, D - 5147. The laying of membrane shall be got done through theauthorised applicator of the manufacturer of membrane

3 mm thick

Sub Work No 3 : Repair, maintenance & providing of window glasses in various residential and non residential buildings at 3 Signal Bn. CRPF Sector v salt lake Kolkata (W.B.). Providing & fixing glass panes with putty and glazing clips in steel doors, windows, clerestory windows, all complete with :

4.0 mm thick glass panes

Renewal of old putty of glass panes (length)

Sub Work No 4 : Repair/maintenance of Balcony railing and re-plaster of damaged balcony wall of various residential building at 3 Signal BN CRPF Sector-V, Salt Lake, Kolkata (W.B.). Repair to plaster of thickness 12 mm 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.

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content.

With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre.

Wall painting with acrylic emulsion paint of approved brand and manufacture to give an even shade :

Two or more coats on new work

Sub Work No 5 : Repair and replacement of damaged balcony railing including same dia G.I. Pipe/dismantling and fitting welding, cutting , removal, finishing with iron grill, G.I. pipe and all corner smoothening with cement sand mortar, primer, painting etc as per direction of Engineer-in-Charge. Family Quarter

Sub Work No 6 : Repairing , servicing and overhauling of the various urgent nature water supply works / 160KVA DG Set etc at 3Signal Bn, CRPF Salt Lake Sector-V , Kolkata-91(W.B.). Disconnecting all existing connection & pumping out of existing 6H.P (01NO.) & 10H.P (01NO.) Total 02Nos. Submersible pump from bore well by mechanical means with proper care etc.

Cleaning /washing of existing 12'' dia bore well of 10H.P (01No.) & 6 H.P (01No.) submersible pump applying required chemicals and using bore well washing pump (air compressor) etc. Complete.

Re- commissioning of existing 10 H.P(01No.) and 06 H.P(01No.) submersible pump into after cleaning and washing of bore well with proper care etc. Complete in all respect as per direction of Engineer - in - charge.

Providing and fixing C.I gate valve (with cap) complete including bolts,nuts,flange,Gaskit,insertions etc and old valve removing and with in 50meter lead as per direction of Engineer - in- charge. 100mm dia as per same specification in site.

Repairing ,servicing & overhauling of 160 KVA D.G. Set (Kirloskar) ,including replacement of unserviceable spare parts ,mobile oil,engine oil etc. as per direction of Engineer - in - Charge.Complete in all respect.

Repairing / replacement of damaged G.I pipe fitting with suitable/required socket, union , nipple, brass stop cock 12mm to 50mm etc. including removing of the leakage ,seepage fittings of different capacity over head PVC water tank for residential /non residential building complete as per direction of Engineer - in - Charge.

Supplying and fixing MS pipe of same specification for Iron removal plant including cutting, welding, painting,finishing,required as per the necessary items and removal old pipes with in 50meter lead as per direction of Engineer- in- charge. 75 mm nominal size.

Supplying and fixing MS pipe of same specification for Iron removal plant including cutting, welding, painting,finishing,required as per the necessary items and removal old pipes with in 50meter lead as per direction of Engineer- in- charge. 100 mm nominal size.

Dismantling of G.I pipes (Out side of the building) including excavation after taking out the pipes, manually / by mechanical means including stacking of pipes within 50 meter lead and providing and fixing of new G.I pipes complete fitting including all required items as per same specification. 25 to 50 mm dia nominal bore

Repairing & overhauling service including suitable / required items fitting of 15 H.P. centrifugal pump set at pump house.

Providing & fixing 100mm dia service /check valve with fitting including all necessary accessories as per requirement and old removal 100 mm dia service / check and 50meter lead as per direction of Engineer-in-charge .( Dismantling and digging the minimum area is also scope of work in the said job) and the items should be changed as per the same specification.

Providing and fixing the Oxidation chamber for Iron removal Plant along with 4 legs and necessary civil works 600mmdia x 1000mm height self thickness 6mm

Cleaning of terrace/loft water storage tank (inside surface area) upto 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt, rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5gm per litre capacity of tank including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba all complete as per direction of Engineer-in-Charge. (The old date already written on tank should be removed with paint remover or black paintand if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre) (if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account).

N.K.ENTERPRISE

A REZA ENTERPRISE