GAIL (India) Limited MECON LIMITED

platform of such scaffolding or staging and extendingalong the entire length of the outside and ends thereofwith only such openings as may be necessary for thedelivery of materials. Such scaffolding or staging shall beso fastened as to prevent it from swaying from the buildingor structure.iii) Working platform, gangway and stairway shouldbe so constructed that they should not sag unduly orunequally and if the height of platform of the gangway orthe stairway is more than 4 metres above the ground levelor floor level, they should be closely boarded, should haveadequate width and should be suitably fastened as in ii)above.iv)Every opening in the floor of a building or in a workingplatform shall be provided with suitable means to preventthe fall of persons or materials by providing suitablefencing of railing whose minimum heights shall be 1metre.v) Safe-means of access shall be provided to allworking platforms and other working places, every laddershall be securely fixed. No portable single ladder shall beover 9 metres in length while the width between side railsin rung ladder shall in no case be less than 30 cms forladder upto and including 3 metres in length. For longerladder this width should be increased 5mm for eachadditional foot of length. Uniform steps spacing shall notexceed 30 cms. Adequate precautions shall be taken toprevent danger from electrical equipment. No materialson any of the sites or work shall be so stacked or placedto cause danger or inconvenience to any person or public.The CONTRACTOR shall also provide all necessaryfencing and lights to protect the workers and staff fromaccidents, and shall be bound to bear the expenses ofdefense of every suit, action or other proceeding of lawthat may be brought by any person for injury sustainedowing to neglect of the above precautions and pay anydamages and costs which may be awarded in any suchsuit or action or proceeding to any such person or whichmay with the consent of the CONTRACTOR be paid tocompromise any claim by any such person.115 Excavation and trenching: 115.1 All trenches 1.2 metres or more in depth, shall at all times besupplied with at least one ladder for each 50 metres length orfraction thereof.Ladder shall be extended from bottom of the trenches to atleast 1metre above the surface of the ground. The sides of the trencheswhich are 1.5M in depth shall be stepped back to give suitableslope or securely held by timber bracing, so as to avoid the dangerof sides to collapse. The excavated materials shall not be placedwithin 1.5 metres of the edge of the trench or half of the trenchwidth whichever is more. Cutting shall be done from top to bottom.Under no circumstances undermining or under-cutting shall bedone.116 Demolition/general safety: 116.1 i) Before any demolition work is commenced and