Annual maintenance contract for Masonry works in various lab and buildings in KARPandKARP-II complex during the year 2022-23

Amount

Earthwork excavation in all type of soils, mixture of gravel and disintegrated rock for foundation including bailing / pumping out water wherever required, levelling and ramping the bottom of excavation and refilling the side of excavated material as per specification and drawing up to 1.50metre depth below ground level.

Conveying the surplus excavated earth & debris, boulders and spoil by mechanical means depositing at places inside DAE installation identified as Dumping yard as per requirement with a lead specified below including loading, unloading, breaking clods, levelling all complete as per specification and as directed by the Engineer-in-Charge. Lead charges for lead Exceeding 2Kilometer but not exceeding 3kilometer. Note: 1)The rates in respect of this item are applicable for the net quantities arrived at after making deductions for voids @20% in respect of soil and @50% in respect of rock from the corresponding Stack/ Truck measurements. 2) The earth / debris shall be dumped well inside the dumping yard and not over approach pathway.

Providing and laying plain cement concrete 1:2:4 using 25mm maximum size hard granite machine graded stone aggregates including mechanical mixing transporting and placing in required position, ramming, consolidating etc.all as per specification and drawing.Note:- cement content 330kg/cu.m

Providing and constructing brick masonry using well burnt stock bricks in CM 1:6 at all lifts, including scaffolding, curing, raking out joints complete as per specification and drawings from below ground level to roof level. Upto 3.00 m height.

Providing and constructing brick masonry using well burnt stock bricks in CM 1:6 upto 230mm thick & Plastering the external faces of brickwork/concrete on both side at all elevations in CM 1:5,15mm thick including curing, forming grooves wherever required all as directed by EIC.InRestricted area

Providing and constructing Random Rubble masonry in cement mortar 1:6 using hard granite stones obtained from approved quarry with bond stones at 2.00 metres apart for foundation, basement and in superstructure, compound/boundary walls, including sizing of stones if required, raking out joints, scaffolding, curing etc., complete all as per drawing, specifications and as directed by Engineer-in-charge at all lifts.

Providing flush pointing over the random rubble masonry wall with cement mortar 1:3 at all levels including scaffolding, curing, forming grooves wherever necessary all as per specifications, drawings and as directed by Engineer-in-Charge.

Providing and constructing115mm thick brick masonry using well burnt stock bricks in CM 1:4 at all lifts, including scaffolding, curing, raking out joints on both faces complete as per specification and drawings from below ground level to roof level.

Providing and laying cast in situ controlled reinforced cement concrete of all grade at all elevations, using 20mm maximum size hard granite machine crushed graded stone aggregate at all elevation, including weigh batching, mechanical mixing, transporting and placing, vibrating consolidating, finishing, curing, dewatering if any, complete as per specification and drawing. Note: The rate shall be quoted on the basis of use of 350kg. of cement per cu.m (M25 Grade). In Normal area

Providing and laying cast in situ controlled reinforced cement concrete of all grade at all elevations, using 20mm maximum size hard granite machine crushed graded stone aggregate at all elevation, including weigh batching, mechanical mixing, transporting and placing, vibrating consolidating, finishing, curing, dewatering if any, complete as per specification and drawing. Note: The rate shall be quoted on the basis of use of 350kg. of cement per cu.m (M25 Grade). In Restricted area.

Plastering the internal/external faces of brickwork/concrete at all elevations in CM 1:5,12mm thick including scaffolding, curing, forms grooves wherever required all as per specifications and drawings.

Supplying, decoiling, cutting, bending, binding and fixing in position of all grades of steel reinforcement TMT bars of Fe 500/Fe500D grade of steel confirming to IS:1786 'SAIL or VIZAG or approved equivalent make with approved annealed binding wire of 1.6 mm dia in all reinforced cement concrete works at all lifts including the cost of cover blocks in cement mortar 1:2 and binding wire complete all as per specifications and drawings.

Supplying and placing and removing form work for all in situ cement concrete works at all level and elevation, as shown in drawing and specification including centering ,scaffolding complete.(measurement for form work will be the area of form in contact with the concrete surface)

Providing and fixing double tubular scaffolding system using H-Frames / APS system or (cup lock type) on the exterior side up to seven story height made with 40mm dia M.S tube 1.5m centre to center horizontal and vertical tubes joining with cup and lock system with M.S tubes, M.S tube challies, M.S clamps and M.S staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connection with building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and as approved by the Engineer–in–charge. The elevation area of the scaffolding shall be made once irrespective of duration of scaffolding.

Dismantling of plastered brick work masonry at all elevation and disposing as directed by EIC.In Normal area

Dismantling of plastered brick work masonry at all elevation and disposing as directed by EIC.In Restricted area

Dismantling of RCC work at all levels by manually / mechanical means, including cutting and stacking of steel reinforcement bars and disposal of unserviceable materials as per specifications and directed by EIC. In Normal area

Dismantling of RCC work at all levels by manually / mechanical means, including cutting and stacking of steel reinforcement bars and disposal of unserviceable materials as per specifications and directed by EIC. In Restricted area

Carrying Out Day activities in various areas, related to masonry maintenance work like repairing the wall cracks etc. in various laboratories & buildings, breaking of brick/concrete walls and attending any breakdown / emergency complaints to maintain services etc. all as directed by the Engineer-in-charge.In Normal area.

Carrying Out Day activities in various areas, related to masonry maintenance work like repairing the wall cracks etc. in various laboratories & buildings, breaking of brick/concrete walls and attending any breakdown / emergency complaints to maintain services etc. all as directed by the Engineer-in-charge. In Restricted area.

Carrying out day to day activities in various areas related to Helping work to Mason in various areas, related to masonry maintenance work like repairing the wall cracks etc. in various laboratories & buildings, breaking of brick/concrete walls and attending any breakdown / emergency complaints to maintain services etc. all as directed by the Engineer-in-charge.In Normal area.

Carrying out day to day activities in various areas related to Helping work to Mason in various areas, related to masonry maintenance work like repairing the wall cracks etc. in various laboratories & buildings, breaking of brick/concrete walls and attending any breakdown / emergency complaints to maintain services etc. all as directed by the Engineer-in-charge. In Restricted area.

A.BASHKAR