SAIL General Technical Specification - Engineering Projects India Ltd.

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9.6 Door Handles © 2007 MECON Limited All rights reserved General Technical Specification These shall be mild steel tower bolts rivetted type with black flat and mild steel/cast iron bolt and open staple. iv) Skeleton tower bolts These shall be of bright finished / stove enameled / black painted mild steel or brass bright finished skeleton tower bolts with cast brass/extruded sections plate and staples and rolled or drawn brass bolt or Aluminium skeleton tower bolts with plates staples and bolt or extruded sections of Aluminium alloy plate and staple anodised. Door handles shall conform to IS : 208-1987 and shall be of 4 types. Type 1 is cast Iron / Brass / Aluminium or zinc alloy die casting and available in 75,100,125 150mm sizes. Type 2 is mild steel pressed oval in 75, 100,115 and 135mm sizes. Type 3 is mild steel present half oval in 75,90 and 100mm sizes. Type 4 is fabricated (brass / aluminium alloy) in 75,100 and 125mm sizes. The size of the handle shall be determined by inside (grip) size overall size and internal depth of the handles shall be as detailed in IS : 208- 1987. Finish for type 1 shall be satin/nickel plating, copper oxidising and bronze finish for castbrass and zinc die cast handles and stove enamelled black or copper oxidized for cast iron handles. Aluminium handles shall be anodized. Type 2 and 3 handles shall be stove enamelled black. For type 4 it shall be satin finish, nickel plating, copper oxidized and bronze finish for brass handles and anodizing for aluminium handles. 9.7 Mortice Lock and Rebated Mortice lock Mortice lock with latch and pair of lever handles shall have body of steel, Aluminium alloy or brass and shall be right or left handed as shown in the drawing or as directed by the Engineer. It shall be of the best Indian make of approved quality and shall conform to IS: 2209 / 6607-1976/1972. The shape and pattern shall be approved by the Engineer. The size of the lock shall be determined by its length. The lock for single leaf door shall have plain face and that for double leaf door a rebated face. Lever handles with springs shall be mounted on plates and shall weigh not less than 0.5 kg per pair. These shall be of brass, finished, bright chromium plated or oxidised. The locks shall be of 65, 75 and 100 mm sizes. 9.8 Floor Door Stopper These are for the use of the door shutters of 30, 35,40 & 45mm thickness. It is made of aluminium alloy/ brass with springs of phosphor bronze or hard drawn steel wire and tongue of aluminium/brass/nylon/ plastic. The floor door stoppers shall conform to IS : 1823-1980 and shall be best Indian make of approved quality. Width of cover plate is 40mm but its overall length is 140mm for 30 and 35mm thick shutters & 150mm for 40 and 45mm shutters. The body shall be cast in one piece and fixed to cover plate by brass or M.S screws. On the extreme end there shall be rubber cushion to absorb shocks. The extension of the door stopper shall be in flush with floor and be finished bright/satin/chromium plated or anodised. 9.9 Hooks and Eyes These shall be of mild steel or hard drawn brass and shall generally conform to IS : 207- 1964. 9.10 Casement Window Handles Civil Page 18 of 42 GS-07
© 2007 MECON Limited All rights reserved General Technical Specification These shall be made of cast brass, steel protected against rusting, aluminium, pressed brass or as specified. Casement handles for single leaf window shutter shall be left or right handed and shall weigh as specified. 9.11 Casement Peg Stays These shall be made of cast brass, steel protected against rusting, aluminium, cast alloy or as specified. The stay shall be made from a channel section and shall be 300mm long with steel peg and locking bracket. The peg stay shall have three holes to open the window in three different angles. The shape and pattern of stays shall be approved by the Engineer. The peg stay shall be minimum 2mm thickness in case of brass and aluminium and 1.25 mm in case of steel. 9.12 Quadrant Stays These shall be made of cast brass, aluminium alloy, CP iron or as specified. The shape and pattern shall be approved by the Engineer. It shall weigh as specified. 9.13 Fan Light Pivots These shall be made of mild steel, cast brass or aluminium alloy or as specified and shall generally conform to IS : 1837-1966. The pattern and the shape of the catch shall be as approved by the Engineer and size and finish shall be as specified. 9.14 Fan light catch 9.15 Steel Frames 9.16 Putty These shall be made of mild steel, cast brass, aluminium alloy or as specified and shall generally conform to IS : 364-1993. Steel springs of the catch shall be 0.90 mm dia, 6 coils, 12 mm internal diameter and 20 mm long. The pattern and the shape of the catch shall be as approved by the Engineer. These shall conform to IS:4351-1976. The frames shall be manufactured from commercial mild steel sheets of 1.25mm thickness and are suitable for door shutters 30 to 40mm thick. The door frames are designated as per profile A, B and C. Profile A Size 105x60mm : rebated for one set of shutters Profile B Size 125x60mm : rebated for one set of shutters Profile C Size 165x60mm : rebated for two sets of shutters. Miscellaneous Items : The material shall be homogeneous paste and shall be free from dust and other visible impurities. Putty shall conform to IS : 419-1967 for wood work. 10.0 METAL DOORS, WINDOWS, VENTILATORS AND ROLLING SHUTTERS 10.1 General Civil Page 19 of 42 GS-07
Page 1 and 2: 1.0 GENERAL 1.1 Scope 1.2 Standard
Page 3 and 4: © 2007 MECON Limited All rights re
Page 7 and 8: 3.4 Steel Tubes © 2007 MECON Limit
Page 17: 9.2.1 Butt hinges © 2007 MECON Lim
Page 23 and 24: 12.11.1 Wax polish for Wood work ©
Page 27 and 28: 15.0 LEAD 15.1 General © 2007 MECO
Page 31 and 32: 18.13 CP Flush Valves for EWC © 20
Page 35 and 36: 20.6 Steel Pipes © 2007 MECON Limi
Page 37 and 38: 21.8 Kerbs 21.8.1 Stone kerbs © 20

SAIL General Technical Specification - Engineering Projects India Ltd.

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