(IS:1200 (Part XV) – 1968 Corrected upto Oct. 74)
| 
Particulars | 
Multiplying   factor | 
| 
Doors and windows measured   flat (not girthed) including chaukhat or frame, edges, chocks, clean etc.   shall be deemed to be included. | |
| 
(a)    Pancelled or framed and braced, ledged   and battened or ledged battened and braced. | 
1.30   for each side | 
| 
(b)              Fully glazed or gauged  | 
0.80   for each side | 
| 
(c)               Fully panelled and partly glazed or   gauged | 
1.00   for each side | 
| 
(d)              Flush doors | 
1.20   for each side | 
| 
(e)               Fully ventioned or louvered | 
1.80 for   each side | 
| 
Miscellaneous works: | |
| 
(a)          Boarding with cover fillet and match   boarding | 
1.05 for   each side | 
| 
(b)         Roof battens | 
0.80 for   each side | 
| 
(c)           Trellies, jaffri work one way to two way | 
2.00 for   each side | 
| 
(d)    Balustrade, grating, railing, grills,   expanded metal, guard rails etc. | 
1.00 for   each side | 
| 
(e)      Steel rolling shutters measured flat   (size of opening) overall jump guides, bottom rails and locking arrangement   etc. shall be included and top cover shall be measured separately. | 
1.10 for   each side | 
