LAC ADS MLA Thakaraparambu Providing sewer lines and re constructing Manholes at Kacherivila back side of Hotel Iswarya near sreechitra home Sewerage Work

15.2.1:Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in-Charge.Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

15.43.2:Dismantling manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer -in-Charge:Bituminous road

100.1.1:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in all kinds of soil.

100.1.2:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth exceeding 1.5m but not exceeding 3m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in all kinds of soil.

100.8.1:Fencing one side of trenches, 1.50m height with two rows of 10cm plastic caution tape in vertical casuarina pole (girth 15cm to 24cm) fixed at 2m intervals.

2.18.1:Close timbering over areas including strutting, shoring and packing cavities (wherever required) etc. complete ( Measurements to be taken of the face area timbered):Depth not exceeding 1.5 m

OD274473/2024-2025:Providing Steel Sheet shoring to the sides of the trenches to depths of ABOVE 2 M But Not exceeding 4 M using 6mm M>S Sheet 0.5m wide stiffen on edges with 50mm x50mmx6mm M.S angles driving down vertically on either side one after another in lines and levels with suitable pile driving equipments and accessories to a maximum depth of 0.50 M below the bottom of the proposed excavation 0.50m above ground level suitably braced by horizontal walling pieces at 75MMX125MMx 8MM angles on either side at intervals not exceeding 1.5M and horizontal screw jack type struts at 1.50M intervals and maintaining the shoring till the pipes are laid and works are completed ,dismantling,cleaning restacking for reuse including all labour,hire charges and conveyance for equipments ,tools and plants and sundries etc .complete.

2.18.2:Close timbering over areas including strutting, shoring and packing cavities (wherever required) etc. complete ( Measurements to be taken of the face area timbered):Depth exceeding 1.5 m but exceeding 3 m

100.43.3:Conveying, laying and jointing glazed stoneware pipes class SP-1 with stiff mixture of cement mortar in the proportion of 1:1 (1 cement : 1 fine sand) including testing of joints etc., complete (excluding cost of pipes): 200mm diameter pipe.