Tender For Renovation Of External And Internal Work In Yeida Office Building Wc- Asset, 1 Demolishing brickwork manualy/mechanical including stacking of serviceable material. UPPWD SOR-2020 2 Providing and doing of pest controlas per the specifications mentioned by the Bureau of Indian Standards or Pest Control India (whichever is higher), for General Civil, Plumbing,/ Drainage and timber/ Carpentry works, Gypsum related work, including a one-year guarantee under suitable undertaking on stamp paper etc, complete as directed. (Mode of measurement to be on carpet-area of floor and not the area of surface treated.) Consumption: 1000sft per 1.25Ltr. UPPWD SOR-2020 3 Providing and laying in pattern 600 mm x 1200 mm Vitrified CNC Cut approved finish tile of approved quality ,shade & pattern. The tile flooring shall be laid in pattern with 2 mm spacers & tiles fixed in max. 20-25mm thnk. cement mortar of 1:4.The Rate shall be including Epoxy stain grouting of joints using approved matching colour tile grout , necessary protection of the laid floor, acid wash cleaning for any stains before handover. etc. complete as per the drawing, specification and to complete satisfaction of the Engineer.Rate to include the wastages as per the pattern indicated in the layouts . SOR-2020/49/11.41.2 4 Providing and fixing POP false ceiling as per the detail drawings consisting of 10mm thick POPfalse ceiling on with rabbit wire mesh fixed to GI framework. GI framework to consist of GI perimeter channels 0.55mm thick 20mm x 30mm along perimeter of false ceiling of ceiling, screw fixed to wall/partition with nylon sleeves and screws @ 600mm c/c. Suspending GI intermediate channels of size 0.9mm thick 45mm x 15mm from the soffit at max dist 1220mm c/c with ceiling angle 0.55mm thick 25mm x 10mm fixed to soffitusing GI cleat and steel expansion fasteners.Ceiling section 0.55mm thick web size 51.5mm and flanges 26mm each and 10.5mm lips are fixed to perpendicular to intermediate channel @ 457mm c/c using connecting clips etc. all complete as directed by Architect / Engineer. UPPWD/SOR-2020/100) 5 Same as above but Providing and fixing vertical drops of 150mm,any shape or design, provision for cove lighting and all cut-outs required for light fixtures, smoke detectors and other services cut-outs complete as directed by Architect / Engineer. 6 Providing and applying acrylic emulsion paint three coats of (as approved by architect/consultant) of 100% washable, antifungal, stain resistant paint over a coat of primer of approved shade,colour complete as per manufacturers specifications, drawing & as directed by the Engineer-in-charge. acrylic emulsion paint to walls, partitions,Ceiling etc. including surface preparation with primer and sanding all complete. With the necessary drying periods for each coat. The final finish should be of a uniform and neat finish to the satisfaction of the Architect. The plastic emulsion paint of approved shade and make shall be applied in minimum 2 coats (finishing paint) including scaffolding, cleaning the floors, fittings, furnitures, ladders, glasses, removing of debris out of the compound etc. complete as per the instructions of the Architect. UPPWD SOR-2020 7 Red Sand Stone work 30 mm thick (machine cut edges) exposed face fine dressed with roughbacking for wall cladding upto 10 metre height, backing filled with a grout of average 12 mm thick cement mortar 1:3 (1 cement : 3 coarse sand) including pointing in white cement mortar 1:2 (1 white cement : 2 stone dust) with an admixture of pigment matching the stone shade : (To be secured to the backing and the sides by means of cramps and pins include in this rate) : UPPWD SOR-2020/7.33.1 8 Providing & fixing Logo as approved by Engg. in charge / architect. MR 9 Boundrwall:- SITE DEVELOPMENT AND EARTH WORKEarth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge.All kinds of soils UPPWD SOR-20/2.8.1 10 Providing and laying in position cement concrete of specified grade exluding the cost of centring and shuttering-all work upto plinth level.1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources) UPPWD SOR-20 11 Providing and laying damp-proof course 50mm thick with cement concrete 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20mm nominal size derived from natural sources). UPPWD SOR-20/4.11 12 Extra for providing and mixing water prooding material in cement concrete work in the proportion recommended by the manufacturers. UPPWD SOR-20/4.12 13 Centring and shuttering including strutting,propping etc. and removal of form for. Foundations, footings, bases of columns etc. for mass concrete. UPPWD SOR-20/ 14 Centring and shuttering including strutting,propping etc. and removal of form for. Lintels, beams, plinth bams, griders, bressumers and contilevers. UPPWD SOR-20/ 15 Centring and shuttering including strutting,propping etc. and removal of form for.Columns,Pillars, Piers, Abutments, Posts and Struts UPPWD SOR-20/ 16 Centring and shuttering including strutting,propping etc. and removal of form for.Edges of slabs and breaks in floors and walls Under 20 cm wide 17 Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level & above plinth level.Thermo-Mechanically Treated bars of grade Fe-500D or more UPPWD SOR-20 18 Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishingand reinforcement as per direction of the engineer-in-charge; for the following grades of concrete. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. All works upto plinth level. concrete of M-25 grade with minimum cement content of 330kg/cum UPPWD SOR-20/5.33.1 19 All works above plinth level upto floor V level. concrete of M-25 grade with minimum cement content of 330kg/cum UPPWD SOR-20/5.33.2 20 Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: UPPWD SOR-20Cement mortar 1:6 (1 cement : 6 coarse sand) 21 Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in :Cement mortar 1:6 (1 cement : 6 coarse sand)UPPWD SOR-2020 22 Providing Installation & commissioning RFID BASED BOOM BARRIER, BOOM LENGTH -6mtr, OPERATING SPEED OPENING AND CLOSING, 2-4 SEC, BOOM BARIER OPERATING TIME, VERY SMOOTH MOVEMENT. THESE BOOM BARRIERS ARE BARRIERS, BEING USED AT , RESIDENCIAL COMPLEXES, FACTORIES , COMMERCIAL COMPLEXES AND OTHER LOCATIONS. IT HAS A DUTY CYCLE(100%) INCLUDING (1) REMOTE = 2, (2) PUSH BUTTON = 1 AND (3) BOOM REST = 1. MR 23 Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works UPPWD SOR-20 24 20 mm cement plaster of mix :1:4 (1 cement: 4 coarse sand) UPPWD SOR-20/13.6.1 25 Finishing walls with textured exterior paint of required shade :New work (Two or more coats applied @ 3.28 ltr/10 sqm) over and including priming coat of exterior primer applied @ 2.20kg/10 sqm UPPWD SOR-20/13.45.1 26 Applying priming coat: With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/ steel works. UPPWD SOR-20/13.50.1 27 Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturers specifications including appropriate priming coat, preparation of surface, etc. complete. On steel work.UPPWD SOR-20/13.52.1 28 External development work:-Providing and laying 80 mm thick faciory made cement concrete interlocking paver block of M -30 grade made by block making machine with strong vibratory compaction, of approved size, design & shape, laid in required colour and pattern over and including 50mm thick compacted bed of coarse sand, filling the joints with line sand etc. all complete as per the direction of Engineer-in-charge. UPPWD SOR-20 29 Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5mm), including making drainage opening wherever required complete etc. as per direction of Engineer-in-charge (length of finished kerb edging shall be measured for payment). (Precast C.C. kerb stone shall be approved by Engineer-in-charge). 30 Marble stone flooring with 18mm thick marble stone over 20mm thick of cement mortar 1:4(1cement:4 coarse sand) 11.23.4 Black Zebra.UPPWD SOR-20/11.23.4 31 Providing and fixing Tensile Structure Car Parking with powder coated as per design & all complete as per the direction of Engineer-in-charge. MR 32 HORTICULTURE AND LAND SCAPING:- Providing and laying factory made chamferededge cement concrete pavour block in footpath 60mm thick UPPWD SOR-20/ 16.19.11 33 Anti termite treatment of lawn area through premise 30.50% I P. one liter premise diluted in 499 liters water and applying solution @ 1.00 litre solution per sqm lawn or bed area.(two application) i/c cost of chemical)and as per direction of officer-in-charge.and as per direction of officer-in-charge. UPPWD SOR-20/2.56 34 Reception & Waiting Area ( Gr. Floor) Demolishing cement concrete manually/by maechnical means including disposal of material within 50m. UPPWD SOR-20 35 Providing and applying acrylic emulsion paint three coats of (as approved by architect/consultant) of 100% washable, antifungal, stain resistant paint over a coat of primer of approved shade,colour complete as per manufacturers specifications, drawing & as directed by the Engineer-in-charge. acrylic emulsion paint to walls, partitions,Ceiling etc. including surface preparation with primer and sanding all complete. With the necessary drying periods for each coat. The final finish should be of a uniform and neat finish to the satisfaction of the Architect. The plastic emulsion paint of approved shade and make shall be applied in minimum 2 coats (finishing paint) including scaffolding, cleaning the floors, fittings, furnitures, ladders, glasses, removing of debris out of the compound etc. complete as per the instructions of the Architect.UPPWD SOR-20 36 Providing and fixing 12mm thick frameless toughened glass door shutter of approved brand and manufacture, including providing and fixing top & bottom pivot & double acting hydraulic floor spring type fixing arrangement and making necessary holes etc. for fixing required door fittings, all complete as per direction of Engineer in charge (Door handle, lock and stopper etc. include in this rate)UPPWD SOR-20 37 P/F fully glazed partiton of 12mm thick toughened glass fixed wirh using black powder coated aluminium frameAL 45.02+ AL 45.04 (45mm x 25mm) as vertical channel, wall starter, and AL 45.05+ AL 45.06 (45mm x 25mm) bottom channel with acoustic rubber gaskit as per specification.M.R 38 Providing and fixing frosted film on glass as per approved sample (3M) as approved by Engg. in charge / architect. M.R 39 Guard room:- Diluting and injecting chemical emulsion for POST-CONSTRUCTIONAL anti-termites treatrnent(including the cost of chemical emulsion)Treatment of soil under existing floors using chemical emulsion @ one litre per hole, 300 mm apart including drilling 12 mm diameter holes and plugging with cement mortar 1 :2 (1 cement : 2 Coarse sand) to match the existing floor:With Chlorpyriphos EC 20% with 1% concentration. UPPWD SOR-20/2.35.1.1 40 Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) over 75mm thick bed of dry brick ballast 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth. SOR-20/4.17 41 Providing and fixing 18 mm thick gang saw cut, mirror polished, premoulded and prepolished, machine cut for kitchen platforms, vanity counters, window sills, facias and similar locations of required size, approved shade, colour and texture laid over 20 mm thick base cement mortar 1:4 (1 cement : 4 coarse sand), joints treated with white cement, mixed with matching pigment, epoxy touch ups, including rubbing, curing, moulding and polishing to edges to give high gloss finish etc. complete at all levels.Granite stone slab colour black, Cherry/Ruby redArea of slab over 0.50 sqm UPPWD SOR-20 42 Providing edge moulding to 18 mm thick marble stone counters, Vanities etc., including machine polishing to edge to give high gloss finish etc. complete as per design approved by Engineer-in-Charge. Granite work UPPWD SOR-20 43 Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia & length (hold fast lugs or dash fastener shall be paid for separately).Second class teak wood. UPPWD SOR-20 44 Providing and fixing ISI marked flush door shutters conforming to IS : 2202 (Part I) decorative type, core of block board construction with frame of 1st class hard wood and well matched teak 3 ply veneering with vertical grains or cross bands and face veneers on both faces of shutters.35 mm thick including ISI marked Stainless Steel butt hinges with necessary screws. UPPWD SOR-20 45 Providing and fixing IS : 12817 marked stainless steel butt hinges with stainless steel screws etc. complete :125x64x1.90 mm. UPPWD SOR-20 46 Providing and fixing aluminium tower bolts ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868 ) transparent or dyed to required colour or shade with necessary screws etc. complete :300x10 mm.UPPWD SOR-20 47 Providing and fixing chromium plated brass 100 mm mortice latch and lock with 6 levers and a pair of lever handles of approved quality with necessary screws etc. complete.UPPWD SOR-20 48 Providing and fixing aluminium handles of approved make anodized (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade with necessry screws etc. complete. 125mm 49 Providing and fixing aluminium hanging floor door stopper ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour and shade with necessary screws etc. complete.UPPWD SOR-20 50 Providing and fixing factory made uPVC white colour sliding glazed window upto 1.50 m in height dimension comprising of uPVC multi-chambered frame with in-built roller track and sash extruded profiles duly reinforced with 1.60 ± 0.2 mm thick galvanized mild steel section made from roll forming process of required length (shape & size according to uPVC profile), appropriate dimension of uPVC extruded glazing beads and uPVC extruded interlocks, EPDM gasket, wool pile, zinc alloy (white powder coated) touch locks with hook, zinc alloy body with single nylon rollers (weight bearing capacity to be 40 kg), G.I fasteners 100 x 8 mm size for fixing frame to finished wall and necessary stainless steel screws etc. Profile of frame & sash shall be mitred cut and fusion welded at all corners, including drilling of holes for fixing hardwares and drainage of water etc. After fixing frame the gap between frame and adjacent finished wall shall be filled with weather proof silicon sealent over backer rod of required size and of approved quality, all complete as per approved drawing & direction of Engineer-in-Charge. (Single / double glass panes, wire mesh and silicon sealent shall be paid separately). Variation in profile dimension in higher side shall be accepted but no extra payment on this account shall be made.Note: For uPVC frame and sash extruded profiles minus 5% tolerance in dimension i.e. in depth & width of profile shall be acceptable.Three track three panels sliding window with fly proof SS wire mesh (Two nos. glazed & one no. wire mesh panels) made of (small series) frame 92 x 44 mm & sash 32 x 60 mm both having wall thickness of 1.9 ± 0.2 mm and single glazing bead of appropriate dimension (Area of window upto 1.75 sqm).UPPWD SOR-20 51 Providing and fixing 6mm clear toughened glass with EPDM gasket reputed brand and manufacture to be approved by the Engineer- in- charge, all complete.UPPWD SOR-20 52 Providing gola 75x75 mm in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 stone aggregate 10 mm and down gauge), including finishing with cement mortar 1:3 (1 cement : 3 fine sand) as per standard design : In 75x75 mm deep chase. UPPWD SOR-20 53 Making khurras 45x45 cm with average minimum thickness of 5 cm cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate of 20 mm nominal size) over P.V.C. sheet 1 m x1 m x 400 micron, finished with 12 mm cement plaster 1:3 (1 cement : 3 coarse sand) and a coat of neat cement, rounding the edges and making and finishing the outlet complete. UPPWD SOR-20 54 Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion. Coupler.110 mm. UPPWD SOR-20 55 Providing and fixing on wall face unplasticised PVC moulded fittings / accessories for unplasticised rain water pipes conforming to IS 4985 including jointing with seal ring conforming to IS 5382 leaving 10 mm gap for thermal expansion. Coupler110 mm dia . UPPWD SOR-20 56 Single Tee without door:-110 x 110 x 110 mmsor-20/18.24 57 12 mm cement plaster of mix :1:6(1 cement: 6 coarse sand)UPPWD SOR-20 58 6 mm cement plaster of mix :1:3 (1 cement: 3 fine sand) UPPWD SOR-20 59 Providing and fixing GI hexagonal chicken wire mesh of size 12mm x22g at the junction of disimilar surfaces of brick masonry wall and R C C column by beams and the like including necessary nails for fixing etc, complete all as per specification and direction of Engineer -in -charge for all floor at all heights. UPPWD SOR-20 60 Providing and applying plaster of paris putty of 2 mm thickness over plastered surface to prepare the surface even and smooth complete.UPPWD SOR-20 61 Finishing walls with textured exterior paint of required shade :New work (Two or more coats applied @ 3.28 ltr/10 sqm) over and including priming coat of exterior primer applied @ 2.20kg/10 sqm. UPPWD SOR-20 62 Distempering with oil bound washable distemper of approved brand and manufacture to give an even shade : New work (two or more coats) over and including water thinnable priming coat with cement primer.UPPWD SOR-20 63 Applying priming coat:Painting varnishing work in small area or new wood work with one coat (upto or squre meter of readymix primer paint and one coat approved ready mix paint varnish including supply of material. 64 Providing and laying integral cement based water proofing treatment including prepatation of surface as required for treatment of roofs, balconies , terraces etc, consisting of following operations. (a) Applying and grouting a slurry coat of neat cement using 2.75 kg/sqm of cement admixed with proprietary water -proofing compound cleaning the surface before treatment, (b) Laying cement concrete using broken bricks / brick bats 25 mm to 100 mm size with 50 % of cement mortar 1:5 (1 cement: 5 coarse sand ) admixed with proprietary water proofing compound conforming to IS : 2645 over 20 mm thick layer of cement mortar of mix 1:5 (1 cement: 5 coarse sand )admixed with proprietary water froofing compound conforming to IS 2545 to reuired slope and treating similary the adjoining walls upto 300 mm height including rounding of junctions, or walls ad slabs. (c) After two days of proper curing applying a secoung coat of cement slurry admixed with proprietary water proofing compound conforming to IS : 2645. (d) Finishing the surface with 20 mm thick jointless cement mortar of mix 1:4 (1 cement: 4 coarse sand ) admixed with proprietary water proofing compound conforming to IS : 2645 and finally finishing the surface with trowel with neat cement slurry and making of 300 x 300 mm square. (e) The whole terrace so finished shall be flooded with water for a minimum period of two weeks for curing and for final test, All above operations to be done in order and as directed and specifed by the Engineer-in-Charge.UPPWD SOR-20 65 Providing and fixing Ist quality ceramic glazed wall tiles conforming to IS : 15622 (thickness to be specified by the manufacturer ) of approved make in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer-in-Charge, in skirting, risers of steps and dados over 12 mm thick bed of cement Mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm including pointing in white cement mixed with pigment of matching shade complete. (Based on UPPWD/SOR-2020/11.36)/8.31 66 66mm overall thickness partition using 8mm thick double skin non- asbestos multipurpose cement board reinforced with cellulose fibre manufactured through autoclaving process (High pressure steam cured) as per IS: 14862 with suitable fibre cement screw. Based on UPPWD SOR-20/9.105.1 67 Providing and fixing ISI marked flush door shutters conforming to IS: 2202 (Part I) non-decorative type, core of block board construction with frame of 1stclass hard wood and well matched commercial 3 ply veneering with vertical grains or cross bands and face veneers on both faces of shutters : 30 mm thick including ISI marked Stainless Steel butt hinges with necessary screws. Based on UPPWD SOR -20/ 39 /9.21.2 68 Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :Two or more coats Based on UPPWD SOR-20/ 65 69 Providing & fixing wooden paneling made up of 18 mm thk commercial ply to be fixed over framework and 4mm thk. Architect ply with 2nd class teak wood beading. All exposed surface of teak wood to be melamine polish etc. all complete. 70 Providing and fixing aluminium extruded section body tubular type universal hydraulic door closer (Based on UPPWD/SOR-2020)/9.83 71 Providing and fixing aluminium handles------------(Based on UPPWD/SOR-2020/41)/9.100.1 72 Providing and fixing ISI marked oxidised M.S. pressed butt hinges with necessary screws etc. complete.SOR 2020/9.57.1 125x65x2.12 mm 73 Providing and fixing ISI marked oxidised M.S. sliding door bolts with nuts and screws etc. complete :SOR 2020 /9.62.1300x16 mm 74 Providing and fixing ISI marked oxidised M.S. tower bolt black finish, (Barrel type) with necessary screws etc. complete :SOR-2020 / 9.63.1250x10 mm 75 P/F glazing in aluminium doors , window , ventilator shuttersandpartitions etc. with EPDM rubber / neoprene gasket etc. complete as per the architectural drawings and the directions of engineer-in-charge ( cost of aluminium snap beading shall be paid in basic item) : with float glass panes of 5mm thickness ( weight not less than 12.50kg/sqm (UPPWD/SOR-2020/DAR-18/21.3.2) 76 Providing & fixing UV stabilised fiberglass reinforced plastic sheet roofing up to any pitch, including fixing with polymer coated J or Lhooks, bolts & nuts 8mm dia. G.I plain/bitumen washers complete but excluding the cost of purlins, rafters, trusses etc. The sheetsshall be manufactured out of 2400 TEX panel rovigs incorporating minimum 0.3% ultra-violet stabiliser in resin system under approximately 2400 psi and hot cured. They shall be of uniform pigmentation and thickness without air pockets and shall conform to IS 10192 and IS 12866.The sheets shall be opaque or translucent, clear or pigmented, textured or smooth as specified. 2 mm thick corrugated (2.5 or 4.2 or 6) or step-down (2 or 3 or 6 ) as specified.UPPWD/SOR-2020/12.47.1 77 15 mm cement plaster on rough side of single or half brick wall of mix: 1:6UPPWD SOR-2020/13.5.21:6 (1 cement: 6 coarse sand) 78 Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & 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 there after .The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineerin-charge .The elevational area of the scaffolding shall be measured for payment purpose .The payment will be made once irrespective of duration of scaffolding. SOR-2020/14.72
