Military Engineer Services Tender

M & L for Cutting / Chipping the spalling concrete surfaces of Slabs, Beams, Columns, Fins, Facias, Parapets & Chajjas etc. and trimming, cleaning the surfaces of any thickness, conducting Phenolphthalein test and cleaning the surface and ensuring the surface is clean and free from loose particles including disposal and depositing the demolished material out of MD land complete all as specified and as directed. Note: During the Phenolphthalein test if it is found that there is no change in the colour, the cutting / chipping of the concrete shall be carried out further down until reaching the good or uncontaminated concrete.

M & L for Drilling 10 to 12mm dia holes in to RCC Slab / Walls / Columns / Beams to a depth of 75 to 100mm in to the concrete surface / cracks using Rotary cum Hammer Drill and fixing PVC Nozzles with Epoxy based Sealant for injecting cementitious polymeric grout to fill the honeycombing noticed inside the beams, columns, slabs etc. including removal of loose concrete material and cleaning of holes in position, all equipment, machinery, tools as recommended by the Manufacturer complete all as specified and as directed. Note: The spacing of holes shall be as decided / directed by the Engineer-in-Charge.

M & L for providing Grouting with High Strength Epoxy Injection Grout as per manufacturer's instructions through the nozzles for strengthening the weak concrete caused by cracks caused by structural distress such as shear cracks, flexural cracks, tensile cracks etc. by injecting low viscosity epoxy resin and enable it to soak in to weak concrete and subsequent polymerisation to bind the loose and weak concrete complete all as per Manufacturer's Instructions and Data Sheet, all as specified and as directed. Note: The product shall have the following Characteristics: [a] Compressive Strength @ 7 Days: 60 N/Sq.mm [b] Tensile Strength@ 7 Days: 20 N/Sq.mm [c] Pot Life: 30 to 45 Minutes. Make of High Strength Epoxy Injection Grout: M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd. / M/s. Asian Paints Limited