Tender For Probable Estimate For Acoustic Work Of Haldia Town Hall Under Ward No-9 Of Haldia Municipality.( Unit Rates Are Based On As Per Pwd Schedule Of Rates For Building Works (Volumn-I) Under Purba Medinipur Effective From 1 St December 2017 With La, Haldia-West Bengal
TDR : 45032506
Tender Notice
Corrigendum Details
BOQ
Expired
Haldia
West Bengal
Corrigendum : Tender For Probable Estimate For Acoustic Work Of Haldia Town Hall Under Ward No-9 Of Haldia Municipality.( Unit Rates Are Based On As Per Pwd Schedule Of Rates For Building Works (Volumn-I) Under Purba Medinipur Effective From 1 St December 2017 With La
Name of Work: Probable Estimate for Acoustic work of Haldia Town Hall under Ward No-9 of Haldia Municipality.( Unit rates are based on as per PWD schedule of rates for Building Works (Volumn-I) under Purba Medinipur effective from 1 st December 2017 with latestCorrigenda & Addenda. )
Sl. No.
Item Description
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Item No. 1 / Page No. -162/ I-6Providing and fixing of false ceiling with powder coated exposed G.I. grid suspension system (E-Grid U-1520 or equivalent load carrying capacity with mid span deflection not exceeding 1/360 span with hanger spacing of 1200mm c/c ) consisting of Main Runner 3600 mm long, Cross Tee 1200 mm / 600 mm long and Wall Angle. The Wall Angle shall be fixed on PVC Dash Fasteners on the perimeter of the wall by steel screws with distance 300mm c/c. The Main Runners to be placed @ 1200 mm. The Cross Tee 1200mm will be inserted in the pre-cutslots of Main Runner at a regular interval of 600 mm to form a modular grid of 1200mm X 600mm. Additional Cross Tees of 600 mm shall be placed perpendicular to the Cross Tee 1200 mm long to finally form a grid of 600 mm X 600 mm. Grid of module size 600 mm X 600 mm shall be supported by 6 mm dia G.I. wire from purlins / soffit. 15mm thick OW Acoustic Board (Mineral Fiber Acoustic Ceiling Tiles) of approved patern and size 595mm X 595mm with NRC value > 0.65 should be placed in the Grid module to form a False Ceiling. All complete as per the drawing & directions of Engineer-in-charge.a) Acoustic False Ceiling (with 15mm thick OW Acoustic Board and E-Grid U- 1520).
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Item No. 2 / Page No. -177 / I-12Supplying and fitting in all places of wall panelling to all heights and fixing on pre- framed existing frame work grid with glass wool of 50mm thick having density of 48 Kg per cum. to be inserted into the pre - fabricated slot covered the glass wool by marking cloths treated with Naptha @ 0.07 Ltr.per Sq.m. of cloths. Finally 12.5mm thick gypsum Fulton board having size 595mmX595mm fitted & fixed into the pre-fabricated grid and covered the all perifirial gaps of fulton board by self additive fibre tape with necessary filler if required, complete in all respect as per direction of the Engineer-in-charge.(a) WOODEN FINISH (UPTO 1800 MM HIGH)
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(b) FABRIC FINISH
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(c) RAW ACOUSTIC PANEL
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Item No. 3/ Page No. - P-283 / I-05Supplying fitting & fixing frames for Fire resistant acoustic door shutters 1st class Malaysian Hardwood Frame (densified to 810 kg/cum) and pressure treated with fire retardant chemicals in vacuum impregnation vessel under 160 psi pressure as per IS:401and kiln seasoned to moisture below 15% as per IS:1141 of section 120 mm X 70 mm spray quoted with 2 coats of intumescent paint of minimum 200 micron, with standard double acoustic seal (equivalent to Hafele) placed along two faces of rebate for sound insulation and single row of Brush- Type intumescent strip of size 10 mmx 4 mm affixed in the slit of the Frame for fire and smoke sealing, etc. complete as per direction of Engineer -inCharge including a protective coat of painting at the contact surfaces of the frame excluding cost of concrete,Iron butt hinges and M.S clamp.
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Item No. 4 / P - 26/10 ( Analysis rate ) Supplying & fitting of 65mm thick asbestos free - fire, heat and smoke resistant composite Accoustic Door Shutter complying with fire performance- FD120 as per IS:3614 (part -II)-comprising of 2x 8 mm Calcium Silicate boards over Chemically treated (with Fire retardant chemicals in pressure impregnation vessels under 160 psi pressure as per IS:401 and kiln seasoned to moisture below 15% as per IS:1141) internal timber (Malaysian Hard Wood,densified to 810kg/cum ) frame work of 100 mm x32 mm with 32mm thick infill of ceramic fiber (density 128Kgs/cum), vermaculite mix faced with 6 mm Fire retardant High Density fire board, internally lipped with hardwood beading, and pasted in Hydraulic Press under 25 MPa, spray coated with 2 coats of in-tumescent paint of minimum 200 micron, and with 1 row of Brush- Type intumescent strip of size 10mmx 4mm affixed on peripheral slit on all edges of shutter except bottom for fire and smoke sealing and placement of 3 mm thick rubber membrane, at the inside face, sandwiched between calcium silicate board & high density fire retardant board , without any external lipping including fitting ,fixing shutters in position but excluding the cost of hinges & other fittings as per direction of Engineer -in -charge complete.
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GST Item (Effect from 01.11.2017)18 % GST on Estimated Cost of Sl No- 1 to 8
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Labour Welfare Cess Item (Effect from 01.11.2017) 1% Labour Welfare Cess on Estmated Cost of Sl No -1 to 9
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