80967 Retaining wall

Amount

Excavation in trenches not exceeding 1.50m wide and not exceeding 1.50m depth for foundation etc, for shafts, walls, cesspits, manholes, drains etc, laying of pipes/cables/poles etc., and getting out in soft/ loose soil complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm

Removing excavated material n exc. 50 m and depositing where directed at a level n exc. 1.5 m above the starting point

Material and labour for cement concrete in foundations, filling and mass-concrete Type D2 1:4:8 (40mm graded stone aggregate) all as specified and as directed by Engineer-in-Charge.

Material and labour RCC M-30 design mix concrete (using 20 mm graded stone aggregate) as in Foundations, including rafts, footings, foundation beams; plinth beams; bases for columns, etc; basement slabs, under-reamed piles etc.,

Material and labour for RCC M-30 design mix concrete (using 20 mm graded stone aggregate) as in Walls, retaining walls, basement walls and the like; any thickness; above top of footings; including attached pilasters and buttresses

Formwork to footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams; and similar work; vertical or to batter rough finished.

Formwork to faces of walls, retaining walls, abutments, parapets and staircase railing and similar work including attached pillasters, buttresses, etc.; vertical or to batter rough finished.

Supply and fix CRC TMT bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips

Material and labour for rendering 10mm thick in CM(1:4) on concrete / block walling surface finished even and smooth without using extra cement complete all as specified and as directed.

Demolition of reinforced cement concrete in any position and pavings not exceeding 15cm thick above or below ground level and disposing off the debris in low lying area within MoD land complete all as specified.

Material and labour Boulder filling dry of size 75mm under, handpicked tightly, along the sides of retaining wall complete all as specified and as directed.

Supply and fixing mild steel tubular section of size 50x50x6mm for supporting Gabions all as specified and as directed

Material and labour for sand filling under floors or in foundation including watering and consolidation

Supply and construction of Gabions of size 1mt x 1mt x 1mt at desired position, gabions mesh shall be made of steel wire of 2.7mm dia, PVC coated over Galfan (Zn-5%Al) coating, mesh size shall be 80mm, Lacing of Gabions shall be done using geotextile ropes complete all as specified and as directed Make: MACCAFERRI- GAB GALMAC 10x12 D27 or equivalent in A-1 Fence Products Company Pvt Ltd/ Shankar Weldmesh Pvt Ltd. Note : Boulder Filling shall be measured and paid under relevent item.

Supply and fix Non-Woven Geotextile made of virgin high tenacity polypropylene fibres, 250GSM, thickness not less than 2mm complete all as specified and as directed. Make: MACCAFERRI- MACTEX N 60.1 or Equivalent

Supply and filling stone boulders of size 150mm to 300mm, weighing around 20-40 Kgs inside gabions, complete all as specified and as directed.

Supply and lay DWC (double wall corrugated) HDPE pipe ISI marked of outer dia of 120mm and inner dia 103mm polyethylene including couplers, bends, cap etc., with smooth internal and profiled external surface for non pressure under ground cable complete all as specified. Make : Gemini/Rex Polyextrusion Ltd. or equivalent

Supply and lay DWC (double wall corrugated) HDPE pipe ISI marked of outer dia of 77mm and inner dia 63mm polyethylene including couplers, bends, cap etc., with smooth internal and profiled external surface for non pressure under ground cable complete all as specified. Make : Gemini/Rex Polyextrusion Ltd. or equivalent

Supply and laying in trenches, fixed to walls and structure LT underground XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade of following cross sectional area:-

3½ Core x 50 Sqm

3½ Core x 95 Sqm

3½ Core x 120 Sqm

3½ Core x 240 Sqm

3½ Core x 300 Sqm

Taking out damages straight through joints of LT cables and Supply and fixing new cable jointing kits for joining LT cables of following size complete all as specified and as directed

3½ Core x 25 to 50 Sqm

3½ Core x 70 to 150 Sqm

3½ Core x 185 to 240 Sqm

3½ Core x 300 to 500 Sqm

Disconnecting old unserviceable/ under rated LT UG Cables of size 3.5core 50 to 120Sqmm and drawn out from the pipe or ground from power house to different feeder near RHQ including relaying the same in trenches or in walls with necessary clamping all as specified and as directed by Engr-in-charge. Note : Excavation shall be measured and paid under relevent item.

Disconnecting old unserviceable/ under rated LT UG Cables of size 3.5core 185 to 500Sqmm and drawn out from the pipe or ground from power house to different feeder near RHQ including relaying the same in trenches or in walls with necessary clamping all as specified and as directed by Engr-in-charge. Note : Excavation shall be measured and paid under relevent item.

Supply and fix GI Earth strip of size 32x6mm laid in trench or fixed to wall/pole with necessary clamp, nuts and bolts etc, includingtaking out unserviceable earthing strip complete all as specified and as directed

Earthing complete with galvanised earth plate electrode 60cm x 60cmx 6mm thick, buried directly in ground vertically (earth pit not less than 2.25 m deep below ground level) with top edge of the earth plate not less than 1.5m below ground surrounded from all sides by 15 CM thick and packed layer of charcoal dust and common salt filling in alternate layers cleaned connected to and including GI earth strip 32x6 mm size up to 7.5 mtr by means of bolts, nuts, check nuts and washers made or galvanised iron and protected light grade 20mm bore for watering and inlcuding funnel wire mesh, RCC pit cover 50mm thick and PCC chamber pit with PCC 1:3:6 type C-2 (including excavation and earth work disposal of surplus soil to a distance not exceeding 50 meter) and testing after completion all as specified and shown on plate No.3 of SSR Part-I 2009 all as specified and directed.

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