Construction of 2000 MT capacity Multipurpose Cold storage at Dharmanagar Bagbassa North Tripura one year operation and maintenance SH Grading roof for water proofing treatment brick work around the condenser water tank yard development side

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30 cm measured at a height of 1 m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared. Around cold storage

Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead. For thickness of tiles 10 mm to 25 mm

Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge (25 mm average thickness)

Providing and applying cement slurry on old CC / RCC / Brick works in joints to receive new and fresh CC / RCC / Brick works including roughening and cleaning the old surface as required complete as per direction of the Engineer in charge.

Grading roof for water proofing treatment complete as required as per direction of the Engineer-in-charge with Cement concrete 1:2:4 (1 cement : 2 fine sand : 4 graded stone aggregate 20 mm nominal size)

Extra for providing and mixing water proofing material in cement concrete work in doses by weight of cement as per manufacturer's specification

Dismantling old plaster or pointing, raking out joints, cleaning and preparing the surface for re plastering or re-pointing including disposal of rubbish to the dumping ground with all leads and lifts etc. complete as per direction of the Engineer- in charge

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. Foundation trenches for drain around condenser water tank

Supplying and filling in plinth, under floor, foundations etc. with sand (fine) from local quarry with all lifts including spreading in horizontal layers, watering, grading to required slope, ramming, consolidating and compacting each layer by using plate compactor or by any suitable method complete

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering ,-All work up to plinth level: 1:4:8 ( 1 Cement: 4 fine sand : 8 graded well burnt brick aggregate 40 mm nominal size)

First class brick work in foundation and plinth including cost of all materials as required complete. In cement mortar 1:4 ( 1 cement : 4 fine sand ).

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering ,All work up to plinth level: 1:2:4 ( 1 Cement: 2 fine sand : 4 graded stone aggregate 20 mm nominal size)

Half brick masonry work with first class bricks in superstructure up to floor five level including cost of all materials as required complete. In cement mortar 1:4 ( 1 cement : 4 fine sand ).

12 mm cement plaster of mix Cement mortar 1:4 (1 cement : 4 fine sand)

15 mm cement plaster of mix Cement mortar 1:4 (1 cement : 4 fine sand) on the rough of brick work.

Neat cement punning

Earth work in surface excavation not exceeding 30 cmin depth but exceeding 1.5 m in width as well as 10 sqm on plan including disposal of excavated earth up to 50 m and lift up to 1.5 m, disposed soil to be levelled andneatly dressed (All kinds of soil) Back side of cold storage near condenser water tank

Providing and laying brick on edge soling layer on prepared subgrade according to lines, grades and cross section shown on the drawing, filling joints with earth, free from clay with a plasticity index not exceeding 6, watering and rolling the same with three wheeled road roller 80 - 100 Kn as per MoRD Technical Specification Clause - 412.

Providing and laying brick on edging laid length wise on prepared subgrade according to lines, grades and cross section shown on the drawing, filling joints with earth, free from clay with a plasticity index not exceeding 6, watering and rolling the same with three wheeled road roller 80 - 100 Kn as per MoRD Technical Specification Clause - 412