SPL REPAIR TO EXISTING FOOTPATH WITH INTERLOCKING TILES IN HOSP PREMISES OF CERTAIN MIL UNIT UNDER GE (S) AT BINNAGURI MIL STN

Demolition of plain cement concrete (un-reinforced) of any mix, thickness, description, and at any height, level, or depth, in any position not otherwise specifically provided, conforming to IS 4130, comprising: breaking down by pneumatic breakers, electric chipping hammers, or mechanical/manual tools without damaging adjacent retained structures; temporary propping, shoring, staging, and protective screening; sorting, cleaning, and neatly stacking reusable/salvaged aggregates or materials within 50 metres; loading, transporting, and disposing of unserviceable debris outside departmental land or to designated dumping ground; making good disturbed surfaces, complete all as specified.

Material and labour for 75 mm thick nominal mix cement concrete 1:3:6 (Type C-2, using 40 mm nominal size graded crushed stone aggregate), conforming to IS 456, in paths, ramps, plinth protection, bed blocks, or steps, at all heights and levels, comprising: batching, mechanical mixing, laying on prepared base; providing, erecting, and stripping timber or steel formwork (including use and waste); tamping, compacting, leveling; scoring or finishing top surface even and rough (keyed) to receive subsequent floor topping, screed, or tiling; curing with water for minimum 14 days, complete all as specified.

Material and labour for filling with clean, coarse, natural river sand in foundations, trenches, plinth, under floors, or around pipes, conforming to IS 383, at all heights, levels, and depths, comprising: supplying and conveying sand to site; depositing in layers not exceeding 150 mm in loose thickness; spreading uniformly, saturation watering, and mechanical/rammer compaction or rolling to achieve maximum dry density; grading to required levels and falls; dressing surfaces, complete all as specified. Sources of River Sand: Approved authorized riverbeds/quarries Teesta / Torsa / Diana / Jaldhaka / Murti river basin or local approved mining ghats conforming to environmental clearances and CPWD/MES quality parameters).

Material and labour for machine-pressed, pre-polished, chemically treated, exterior-grade coloured cement concrete chequered tiles of size 300 mm x 300 mm x 22 mm to 25 mm thick, conforming to IS 13801, in floors, walkways, ramps, steps, or plinth protection, at all heights and levels, comprising: laying over and including 15 mm thick bedding layer in cement mortar 1:4; setting tiles on neat grey/coloured cement slurry (not less than 3 kg/sq.m); jointing and pointing flush with matching coloured cement slurry; curing with water for minimum 7 days; cleaning and washing, complete all as specified. Makes of Machine-Pressed Chequered Cement Concrete Tiles: UltraTech [Tiles] / Nitco Tiles / Eurocon Tiles / Hindustan Tiles / Vyara Tiles / Basant Betons / Super Tiles or approved equivalent as in the list of Makes; Makes of Cement & Mineral Pigments: UltraTech / ACC / Ambuja / Dalmia / Star Cement / Tata Pigments / Pidilite or approved equivalent as in the list of Makes).

Material and labour for supplying and laying machine-pressed precast solid cement concrete interlocking paver blocks of 60 mm thickness (Grade M-35), of any approved shape, size, and colour, conforming to IS 15658, in footpaths, walkways, ramps, and light-traffic hardstandings, at all heights and levels, comprising: laying true to line, level, and herringbone/stretcher pattern over a prepared bed; providing cast-in-situ or precast concrete edge side coping/restraints; jointing with grey cement and matching pigments or joint-filling sand; mechanical plate compaction; final sweeping, washing, and testing, complete all as specified. (Note: Paver blocks shall be hydraulically machine-pressed under high pressure with vibration, possessing high-density wearing face layer, thickness 60 mm ± 2 mm, minimum 28-day individual compressive strength not less than 35 N/mm² [Grade M-35, average 28-day compressive strength not less than 40 N/mm²], water absorption not exceeding 6.0% by mass, abrasion resistance loss not exceeding 2.0 mm, and thickness of pigmented wear layer not less than 6 mm. Makes of Machine-Pressed Concrete Paver Blocks: UltraTech [Pavers] / Nitco / Eurocon / Hindustan Pavers / Vyara Tiles / Basant Betons / Super Tiles or approved equivalent as in the list of Makes).

M & L for PCC 1:2:4 type B-I ,(using 20 mm graded stone aggregate) as. in coping /benching to sides of foot path fininished fair and even including necessary formwork etc complete all as specified

M&L for 110 mm bore PVC (SWR) pipes single socketed type A, in any length with rubber ring joints, laid in trenches or in floors complete all as specified

Material and labour for supplying and laying precast factory-made cement concrete kerb stones of Grade M-25 (size 300 mm x 300 mm x 100 mm), conforming to IS 5758, at or near ground level, along roads, pathways, or medians, comprising: setting true to line, level, grade, and curvature; bedding and jointing with cement mortar 1:3 (1 cement : 3 coarse sand); forming neat flush or grooved vertical joints (joint thickness not exceeding 5 mm); forming drainage weep/discharge openings wherever required; curing joints with water for minimum 7 days, complete all as specified. Makes of Precast Cement Concrete Kerb Stones & Pavers: UltraTech [Building Products] / Nitco / Eurocon / Hindustan Pavers / Vyara Tiles / Basant Betons / Super Tiles or approved equivalent as in the list of Makes

M&L for Cement concrete type D2 1:4:8 (40mm graded aggregate)in foundations filling and mass concrete complete all as specified

M&L for two coat of synthetic enamel paint over one coat of primer complete all as specified