Search/Sub head 27/27.3.5

Providing and fixing hermetically sealed double glazing unit in windows, ventilators and partition etc. consisting of float glass 6mm thick substrate with reflective coating on face #2 (outer side), + 12mm Airgap + 6mm Clear Glass (inner side), both glass fully toughened of approved make and including EPDM gasket perforated aluminium spacers, desiccants, sealant (Both primary and secondary sealant) etc. as per specifications, drawings and direction of Engineer-in-charge complete.

27.3.5Float glass 6mm thick substrate with reflective coating on face # 2 (outer side), + 12mm Airgap + 6mm Clear Glass (inner side) both glass fully toughened of approved make having properties as visible light transmittance (VLT) of 35 - 55 %, Solar Heat Gain Coefficient less than of not more than 0.25 and U value of not more than 2.2 W/m2 degree K etc. for non-north / north direction for latitude < 15 degree, for all climate zone except cold climate, refer ECBC- 2017 for climate zone classification.

Matches DSR 2023

Rate per sqm

5,586.70

DSR 2023

How this rate is built5 items, 4 additional charges

MaterialFloat glass 6mm thick substrate with reflective coating on face # 2 (outer side), + 12mm Airgap + 6mm Clear Glass (inner side) both glass fully toughened of approved make having properties as visible light transmittance (VLT) of 35 - 55 %, Solar Heat Gain Coefficient less than of not more than 0.25 and U value of not more than 2.2 W/m2 degree K

LabourCarpenter 2nd class, Beldar

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Water 1%GSTCPOH 15%Cess 1%

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· Providing and fixing hermetically sealed double glazing unit in windows, ventilators and partition etc. consisting of float glass 6mm thick substrate with reflective coating on face #2 (outer side), + 12mm Airgap + 6mm Clear Glass (inner side), both glass fully toughened of approved make and including EPDM gasket perforated aluminium spacers, desiccants, sealant (Both primary and secondary sealant) etc. as per specifications, drawings and direction of Engineer-in-charge complete.

27.3.5This item

27.3.6Float glass 6mm thick substrate with reflective coating on face # 2 (outer side), + 12mm Airgap + 6mm Clear Glass (inner side) both glass fully toughened of approved make having properties as visible light transmittance (VLT) of 35 - 55 %, Solar Heat Gain Coefficient of not more than 0.25 and U value of not more than 2.2 W/m2 degree K etc. for non-north / north direction for latitude < 15 degree, for all climate zone except cold climate, refer ECBC- 2017 for climate zone classification. · Providing and fixing hermetically sealed double glazing unit in windows, ventilators and partition etc. consisting of float glass 6mm thick substrate with reflective coating on face #2 (outer side), + 12mm Airgap + 6mm Clear Glass (inner side), both glass fully toughened of approved make and including EPDM gasket perforated aluminium spacers, desiccants, sealant (Both primary and secondary sealant) etc. as per specifications, drawings and direction of Engineer-in-charge complete.

27.4.16mm thick heat strengthened Glass substrate having properties as visible Light transmittance (VLT) 30-50 %, Solar Heat Gain Coefficient (0.35-0.50) and U value of 3.9 to 5 W/m2 degree K etc. · Providing and fixing vision glass panels of heat strengthened glass consisting of 6mm thick Glass vision panel units of size and shape as required and specified, comprising of an reflective soft coating on the glass substrate surface #2 of approved make, including silicon sealant, baker rod, desiccant etc as per specifications, drawings and direction of Engineer-in-charge complete.

12.67.112 mm thick, 1000 (±10%) wide panel with U value not more than 2.50 W/m2K and weight not less than 2.25 kg/sqm. · Designing, providing and fixing multiwall three or more layered polycarbonate sheet panel co-extruded Ultra Violet (UV) protective coating on external surface with standing seam on both the running ends, sheet shall be connected using polycarbonate connectors having grip lock double tooth locking mechanism and provided with endcap at the ends to ensure water and air tightness. The light transmission from transparent or translucent or opaque or in combination polycarbonate sheet, varies from 15 to 85%, shall be decided by engineer in charge as per requirement. The polycarbonate sheet shall have Dart drop impact value more than 60 Joules as per IS14434:2023 and confirm either flame retardancy of class UL-94HB/94V-0 category as per IS14434:2023 or category V0 & HB as per ASTM D635-18 or BS1D0 classification as per EN13501 for fire safety. The yellowness index tested as per ASTM E313 (D1925) or ASTM E313 (D1925) shall be equal to or more than 10 unit or 6 units respectively on a sample after 5000 Hours of exposure of UV / sun light. The cross section ends of poly carbonate sheet shall be provided with self-adhesive aluminium impermeable tape at top and aluminium ventilated tape at bottom of the sheet and covered with polycarbonate / aluminium u-shaped protective profile. The poly carbonate sheet shall be held in position by using stainless steel (SS304 grade) trapezoidal cleat of 1 mm thick having minimum bottom width 35mm and top width 50mm or any other shape and size as per design requirement and manufacturer specification, cleat fixed with 2 or more stainless steel screws of 5 mm diameter with 25mm long with structural steel framework. The cleat shall be tested to withstand pull out force equal to wind speed of 50m/s as per IS: 875 and design test report shall be submitted to Engineer-in-charge for approval before use. The cost of ridge and gutters of pre-coated galvanized iron sheet of approved specifications and structural steel framework of shall be paid in respective item for separately. Note:- The fixing arrangement using cleat shall be designed separately for coastal areas for cyclonic wind speed.