Proposed New OPD Block Augmented from the existing New PG Blocks at S.N.M. Medical College, Dhanbad

Providing and fixing double scaffolding system (cup lock type) on the exterior side of building/structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/ or pointing and/ or applying chemical and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in-charge.

Repair to plaster of thickness 12mm to 20 mm in patches of area 2.5 sqm and under, including cutting the patch in proper shape, raking out joints and preparing plastering the wall surface with white cement based polymer modified self curing mortar, including disposal of rubbish, all complete as per the direction of Engineer-In-Charge.

Cutting holes of required size in brick masonry wall for fixing of exhaust fan including providing and fixing 300 mm dia PVC pipe conforming BIS-12818 and making good the same etc. complete as per direction of Engineer-in-charge.

Raking out joints in lime or cement mortar and preparing the surface for re-pointing or replastering, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-Charge.

Providing and fixing 16 mm M.S. Fan clamps of standard shape and size in existing R.C.C. slab, including cutting chase, anchoring clamp to reinforcement bar, including cleaning, refilling, making good the chase with matching concrete, plastering and painting the exposed portion of the clamps complete.

Fixing chowkhat in existing opening in brick/ RCC wall with dash fasteners/Chemical fasteners of appropriate size (3 nos on each vertical member of door chowkhat and 2 nos on each vertical member of window chowkhats), including Cost of dash fasteners/ chemical fastener.

Rebaring - Chemical-Supply and application of Lokfix E77, a heavy duty, two-component epoxy anchoring chemical, provided in 3:1 ratio side-by-side cartridges with a static mixer nozzle. Upon application, it sets and cures to securely anchor various steel fixings into concrete and solid masonry substrates. It is a pure epoxy chemical anchor grout with ETA approval from DIBt for diameters ranging from 8 mm to 40 mm at specified embedment depths, as per manufacturer's specifications. The epoxy chemical must have a working life period certified for 100 years as per ETA from DIBt, with properties including fire resistance tested to withstand 120 minutes (DIN EN 1363-1:2012, Technical Report TR 020), and must have water tightness certificate for "0" mm under 5 bar water pressure (EN 12390-8:2019). ETA approval from DIBt for Diamond Drilling is required, alongside LEED certification and compliance with LEED V4 standards (ISO 16000, EN 16516, CDPH 01350, ASTM D2369, EPA method 24). It should compilance with European approval to EAD 330499-01-0601, anchoring in cracked and un-cracked concrete, includes fire testing to 120 minutes and C1 & C2 seismic approval. It shuould have compressive strength >110MPa (EN196-1) and flexural strength >60MPa (EN196-1). Rates shall encompass labor, tools and plants for power drilling in concrete, epoxy cartridges, plastic nozzles, and complete drilling holes with dust removal by air blowing. Cost of providing, cutting, bending of rebar steel shall be paid separately as per approved item.

Rebar 8 mm Dia x 12 mm holes dia x 120 mm depth

Rebar 10 mm Dia x 14 mm holes dia x 150 mm depth

Rebar 12 mm Dia x 16 mm holes dia x 180 mm depth