ITEM DESCRIPTION QTY UNIT RATE K.SHS PROPOSED KMTC CLASSROOMS AT NYAHURURU L HOSPITAL - - ELEMENT NO. 1 SUBSTRUCTURES. Oversite excavation -

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1 PROPOSED KMTC CLASSROOMS AT NYAHURURU L HOSPITAL ELEMENT NO. 1 SUBSTRUCTURES Oversite excavation A Excavate oversite to remove top soil average 150mm deep and cart away 400 sm Excavation B C D E Excavate to reduce levels commencing from stripped level exceeding 1.50 meters deep. 140 cm Excavate foundation trench starting from reduced level not exceeding 1.50 meters deep. 81 cm Extraover all excavation for excavating rock irrespective of class. 16 cm Return, fillin and rum selected excavated materials around foundations 30 cm F Remove and cart away surplus excavated materials. 51 cm Diposal of water G Keeping all excavations free from all water including spring or running water Planking and strutting Item H Uphold the sides of all excavations Item I J Filling Hardcore filling in making up levels,exceeding 300mm thick in layers of 150mm maximum thickness 369 sm 50mm (average) thick quarry dust blinding to surfaces of hardcore 369 sm Carried to Collection kmtc classrooms /1

2 Antitermite treatment A B Premise 200 SC' or other equal and approved antitermite insecticide treatment with ten years guarantee, applied strictly in accordance with manufacturer's instructions, to tops of fill and foundation walls 391 sm Concrete 50mm thick mass concrete class Q (1:3:6) to bottoms of foundations 81 sm Insitu concrete; reinforced; class 20 / (20mm); vibrated C Foundations in trenches irrespective of thickness 16 cm D 150mm thick bed 391 sm Reinforcement Bars; high yield steel; cold worked to B.S including bends, hooks, tying wire and distance blocks E 10mm ditto 301 kg F 8mm ditto 224 kg Fabric; B.S G H Reference A142 mesh 200 x 200 mm, weight 2.22 kgs per square meter ( measured net no allowance made for laps( inclunding bends, tying wire and distance blocks 391 sm Sawn formwork to insitu concrete as described: To sides; vertical or battering of foundations, ground beams or the like 44 sm I Edges of ground floor slab; 75 to 150mm wide 90 lm J Walling 200mm thick approved natural stone; local; roughly squared to foundation walling; bedding and jointing in cement sand (1:3) mortar 176 sm Carried to Collection kmtc classrooms /2

3 Damp proofing A Polythene sheet; 500 gauge, 200mm welted laps (no allowance made to laps), horizontal; 1 no. layer laid on compacted quarry dust blinding 391 sm B 200mm wide; B.S. 743 Type A bitumen hessian base 150 mm laps (no allowance made for laps); horizontal, 1 no. layer, bedded in cement sand (1:3) mortar 110 lm Insitu Finishings C 14mm thick 2 No. coatwork cement sand (1:3) render; wood floated to concrete or blockwork base to walls; external 25 sm Painting and Decorations Prepare and apply three coats bituminous paint to: D Wood floated rendered plinths over 300mm girth 25 sm Paving Slabs. E 600 x 600 x 50 mm Precast concrete class 20/20 paving slabs, laid to falls on blinded hardcore surface and jointed in cement and sand (1:3) mortar 33 sm COLLECTION Carried to Collection From page 1 From page 2 From above TOTAL FOR SUBSTRUCTURES CARRIED TO SUMMARY kmtc classrooms /3

4 ELEMENT NO. 2 FRAME Insitu concrete; reinforced; class 25 / (20mm); vibrated A Beams/columns 6 cm Reinforcement Bars; high yield steel; cold worked to B.S including bends, hooks, tying wire and distance blocks. B 12mm diameter bars 414 kg C 8mm ditto 138 kg Sawn formwork to insitu concrete as described: D To sides and soffits of beams. 70 sm E 75mm diameter chs steel verandah support to detail 27 lm f Three coats gloss oil paint to 0100mm 27 lm TOTAL FOR FRAME CARRIED TO SUMMARY kmtc classrooms /4

5 ELEMENT NO. 3 WALLING Precast concrete grade 20(12mm aggregate) including formwork, finishing fair on all exposed surfaces and hoisting and placing in position, bedding, jointing and pointing in cement and sand (1:3) mortar A B Window cill; 275 x 75 mm extreme height; once sunkweathered; once throated; reinforced as necessary for handling; surface fair finish 400 mm girth; bedding, jointing and pointing in cement sand (1:3) mortar (in 6 No.) 23 lm 150 x 150 mm pelmet box comprising of 150 x 20 mm fascia and top and 50 x 50 mm battens 150 x 150 x 20 mm ends complete with silent gloss brass curtain track with 10 No. runners per metre 23 lm NATURAL STONE WALLING C 200 mm thick approved local; machine cut; bedding, jointing and pointing in cement sand (1:3) mortar in walls 253 sm D 200 mm eaves filling, 240mm high including dressing between rafters 90 lm Labour and material E Extra over horizontal pointing in 10mm thick rod in cement and sand (1:3) mortar to external wall 253 sm F Raking cutting to 200mm thick natural stone wall 90 lm TOTAL FOR WALLING CARRIED TO SUMMARY kmtc classrooms /5

6 ELEMENT NO.3 ROOFING CONSTRUCTION, COVERING AND RAIN WATER DISPOSAL Galvanized corrugated Sheet roofing; 28 gauge;prepainted A Roof covering; 150mm laps on one end and one and a half corrugation side lap; and nailing to timber purlins (m/s) 425 sm Accessories, fixing as necessary to roof tiles B 150mm diameter hip/ Half round ridge cap 39 lm CARPENTRY The following in sawn celcured cypress timber trusses nailed connections, hoisting 3000mm above ground all as per Structural Engineer's details C 150 x 50mm ceiling joist 264 lm D 150 x 50mm rafters 288 lm E 100 x 50mm struts and ties 208 lm F 150 x 50mm king post 55 lm Carried to collection kmtc classrooms /6

7 The following in sawn celcured cypress A 100 x 50mm wall plate nailed to timber beam 90 lm B 75 x 50mm purlins 390 lm The following in wrot cypress C 200 x 25mm thick facsia 90 lm D Do but barge board 0 lm E 25 x 100mm Tongue & Grooved boarding secret nailed to and including 50 x 50mm celcured wrot cypress bearers or brandering at 600mm centres 54 sm F 12mm diameter rag bolt, 200mm long complete with and including head, nut and two washers; cast into and including mortice in stone or concrete and run with cement and sand (1:3) mortar 44 No G Drill 50mm thick timber to receive 12mm dia. Bolt (m/s) 44 No. RAINWATER DISPOSAL Heavy duty upvc gutters and down pipe as classic or equal and approved H 175 x 100mm box gutter including soldered joints in the running length fixed to fascia board with and including brackets at approved centers 92 lm J Extra; for blocked ends with 75mm dia.outlet 100mm long 4 No K 75x75mm rainwater downpipe fixed with and including mild steel straps at 900mm centres, plugged and screwed to wall 12 lm L Extra; swanneck bend with 1135mm projection 4 No M Extra; horse shoe bend 4 No Carried to collection kmtc classrooms /7

8 Painting and Decorations On Woodwork Prepare and apply one zinc plumbate primer and three coats of 'CROWN SOLO' or other equal and approved super gloss oil paint to: A Fascias and barge boards; 200 to 300mm girth; external 90 lm Tongue & Grooved timber surfaces Prepare and apply three coats of 'CROWN SOLO' or other equal and approved polyurethane varnish to: B Surfaces of eaves; over 300mm girth external 54 sm Carried to collection COLLECTION From page 6 From page 7 From above TOTAL FOR ROOFING CARRIED TO SUMMARY kmtc classrooms /8

9 ELEMENT NO. 4 OPENINGS Wrot Cypress framed frames and framings A 100 x 50 mm; 2 No. labours; plugged door frame 33 lm B 40 x 35 mm moulded architrave 33 LM C 25 x 25mm moulded quadrants 33 lm 45mm Thick solid core flush doors to B.S 459: part 2 veneered both sides with internal quality plywood and lipped on all edges in approved hardwood D Single swing door size 900 x 2100 mm high 2 No. E Double leaf ditto size 1500x2100mm 4 NO F 1500X2400mm steel plated door complete with frame to deta 3 NO Carried to collection kmtc classrooms /9

10 Casement windows; standard metal casement in small panes complete with and including permanent ventilators comprising "T" bar, gauze and metal hood to full width of window, coupling mullions, approved ironmongery and one coat manufacturer's primer; all welding ground to smooth finish. Steel; for glazing with putty, lugs to two jambs, cutting and pinning to concrete or blockwork, fixing to head and sill with screws; plugging A Window, overall size 1200 x 1500mm high to details 13 No. B Ditto size 600x900mm ditto 2 No. C Ditto size 900x1500mm ditto 1 No. Grills Mild steel bars welded together including 100mm long extensions beyond window size at jambs, middle and bottom horizontal and vertical ends; welding 16mm thick, 50mm steel bar at ends of extended bars; buildingin, grouting in cement sand mortar to concrete or blockwork base; all welding ground smooth. D 12mm diameter bars shaped into pattern 26 sm Glazing E 5mm Thick clear sheet glass panes over 0.1 but not exceeding 0.5 square meters; fixing with putty 25 sm F 6mm thick obsecure ditto 1 sm G Two lever mortice lock complete with set lever aluminium handle furniture 6 No. H 4 lever steel lock 3 No. J 100mm steel butt hinges 9 prs Carried to Collection kmtc classrooms /10

11 To concrete or blockwork; fixing with bolts; plugging A Rubber door stop complete with 38 mm rawl bolt 9 No. Painting and Decorations Prepare and apply one coat etching primer, one undercoat and two coats gloss oil paint to Crown Solo or other equal and approved to: B General surfaces of doors and windows; over 300mm girth internal 44 sm C Surfaces of metal over 300mm girth (burglar proofing grills) 52 sm Carried to Collection COLLECTION From page 9 From page 10 From above TOTAL FOR OPENINGS CARRIED TO SUMMARY kmtc classrooms /11

12 ELEMENT NO. 5 FINISHES Wall finishes Insitu finishes Render; 18mm thick, 1 No. coatwork of cement and sand (1:3); wood floated to concrete or blockwork base generally to: A Beams; external 27 sm Plaster; 18mm thick, 2 No. coatwork, 15mm first coat of cement sand (1:3); 3mm second coat of cement and lime putty (1:9); steel trowelled to concrete or blockwork base generally to: B Walls; internal 307 sm Painting and Decorations Prepare and apply three coats B494emulsion paint to: C Plastered surfaces 307 sm Approved ceramic tiles to B.S. 1281; local; white glazed wall tiles to regular or approved other pattern; bedding and jointing in cement sand (1:4) mortar, grouting with white cement D 6mm thick; butt joints straight both ways; to cement sand base (m/s) to walls internal 57 sm Approved ceramic tiles; local; non slip floor tiles to regular or other approved pattern; bedding and jointing in cement sand (1:4) mortar; grouting with matching cement E 32mm thick cement sand screed to receive tiles 35 sm Carried to Collection kmtc classrooms /12

13 A 8mm thick; butt joints straight both ways; to cement sand base (m/s); to floors level; internal 35 sm B 32mm thick cement sand screed to class floors 334 sm C 8mm ditto skirting 38 lm Ceiling finishes Wrot cypress D 75 x 25mm moulded cornice 130 lm Approved sawn softwood; second grade; pressure impregnated. E 50 x 50mm brandering 1300 lm F 75 x 50mm ditto; plugged 130 lm Heavy Density Fibre boards G 23mm thick HDF ceiling board nailed to timber brandering (m/s); nails punched and puttied 369 sm Painting and Decorations On timber surfaces Prepare and apply three coats of first quality emulsion paint to the following surfaces H Ceiling surfaces 369 sm J Cornice not exceeding 100mm girth 130 lm COLLECTION From page 11 From above Carried to Collection TOTAL FOR FINISHESCARRIED TO SUMMARY kmtc classrooms /13

14 SUMMARY ELEMENT NO. TITLE PAGE NO. K.SHS. 1 SUBSTRUCTURES 3 2 FRAME 4 3 WALLING 5 4 ROOF CONSTRUCTION. 8 5 OPENINGS 11 6 FINISHES 13 TOTAL CARRIED TO GRAND SUMMARY kmtc classrooms /14