Annual maintenance contract for Masonry works in various lab and buildings in KARPandKARP-II complex during the year 2025-26.

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.

Supplying and filling the foundation and basement with Quarry dust, filling in the layers of not more than 150mm thick, each layer well rammed and consolidated by hand/mechanical roller including watering, levelling, dressing the top surface to the required level complete all as per specification and as directed by Engineer.

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.In Normal area

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.In Restricted 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 constructing 115mm 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 approved quality mirror polished Granite slabs for flooring of 18mm thick for required size & specified colour, pattern and free from cracks, fissures & flakes with straight edges & perfect corners laid at right angles as per pattern over a bedding of cement mortor 1:4, 20mm thick (or backing of cement mortor 1:3,12mm thick as mentioned below) pointed neatly with white cement mixed with coloring pigment to match colour of slab and finished in all respects, ibcluding machine / hand cutting to required size and shape, moulding and polishing of exposed edges, fixing stone to level and plumb, anti-skid grooves for steps, curing, cleaning the surface neatly at the time of handing over the area, all material and labour complete. Note: The sample granite slab shall be got approved by the Architect/Engineer before procurement.