B4-CV-15B r GmbH Flender MD Connection dimensions Hollo Bevel-helical gear Reduction Boxes B4

Flender/Flender Gear Units/Bevel-helical gear Reduction Boxes B4

the structures nd columns of the buildings consid ering site conditions. Where the number of cables to be laid calls for walkable tunnel and cable shafts, same shall be provided. Underground walkable cable tunnels shall ha ve hydro sealing to prevent water seepage. 0.0.1 Cable Installation in excavated trench Laying of cables directly in underground or in excavated trench es shall be avoided. However, it may be allowed in special case with permission from site in charge. In such case, cable shall be laid in one layer only, more than one laye is not permissible. Cables in excavated cable trenches shall be laid on 8 cm of rid dled sand and covered with 8 cm of riddled sand. RCC sl abs shall be provided over the upper layer of riddled sand for protection against accidental damage during excavation.. The maximum trench depth shall normally be 1.5 and thickness of RCC cover of 7 mm. For crossing the road / rail track, surface drains and water, il, gas or other pipe lines, cables shall be laid in concrete cable ducts, heavy duty GI pipes/RCC Hume pipes encased in concrete blocks. 2% spare conduits / pipes / duct penings shall be provided. The top of pipe blocks shall be minimum 1mm from rail sleepe /road or as per approved drawing. Installation of cables directly buried in ground shall generall conform to the requirements given in IS: 1 1. Entry of cables from underground to the buildings or trenches hall be through metallic 1 of 1 INDRADHANUSH GAS GRID LIMITED TECHNICAL SPECIFICATION FOR NATURAL GAS COMPRESSOR STATION FOR NORTH EAST GAS GRID PIPELINE PROJECT ______________________________________________________________________________________________ TS NO.: MEC//2UU/0/2/0 Electrical system Chapter-0.0 2, MECON Limited, All Right Reserved Pag 2 of 2 conduit upto height of 2 mtrs. After laying of cables, the conduit shall be sealed with bitumen or epoxy c