Shall be described 1264 any protective treatment

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: treatment required to be applied at manufacturer’s works, such as painting or hot dip galvanizing shall be described. 12.7 Unless otherwise stated, steel doors, windows, ventilators and glazing frames shall be measured in square metres as fixed stating type given in relevant Indian Standard. 12.7.1 Method of fixing and hanging and fastenings shall be included with item. 8.3 Bends, elbows, cowls, tapered pipes to fit outlets of ranges, and roof plates with sleeve shall be enumerated and measured as extra over. 9 DUCT WORK The duct metal work shall be described and measured in square metres on the basis of surface area. Support shall be measured separately. 10 EXPANDED METAL WORK AND WELD MESHWORK Expanded metalwork and weld meshwork shall be described including laps, meshes, weight, strands and method of fixing and measured in square metres. Openings exceeding 0.2 m2 shall be deducted. Raking or circular cutting and waste shall be included in the description. 11 STEEL REINFORCEMENT 11.1 Reinforcement bars shall be measured in running metres and their mass calculated as per 3.7.1. The item of work shall include removal of surface rust, straightening, cutting to lengths, hooked ends, cranking or bending (straight or spiral). Authorized overlaps, chairs/separators shall be measured. 11.1.1 When welding of joints is authorized the same shall be described; joints, butt welded shall be measured in numbers and lap welded shall be measured in running metres of the length welded. 11.2 Fabric reinforcement shall be described (including meshes and strands) and measured in square metres. Authorized laps shall be measured. 11.2.1 Wire netting used as encasement shall be described (including meshes and wires) and shall be measured in square metres. Authorized laps shall be measured. 11.2.2 Raking or circular cutting and waste shall be included in description. 11.3 Binding wire for reinforcement shall not be measured, but shall be included in description of item. 12.8 Gates for Compound Walls and Railing NOTE — Term ‘binding wire’ is reserved for wire binding together reinforcement in contact. Gates shall be described and enumerated or measured in square metres; hangings, guide rails and fastenings shall be described and included with item. 11.4 Hoop iron shall be fully described and measured in running metres, 3 IS 1200 (Part 8) : 1993 13.1.2 Bends, inspection doors and cowls shall be enumerated and measured as extra over. 12.9 Steel Louvre Louvres shall be described and measured in square metres on basis of opening covered. 13.2 Spiral Staircases Spiral staircases shall be enumerated, stating overall diameter and height, total number of treads, risers and sleeves in one piece, central shaft or poles including base plate and other attachment handrail and balusters. 12.10 Slotted Pipes Site perforated pipes shall be described and measured by mass in kilogram. Deductions for perforations/slots shall, however, be made if its area exceeds 0.02 m2. l3.2.1 Exit lan...
View Full Document

This document was uploaded on 10/01/2013.

Ask a homework question - tutors are online