COUNTY GOVERNMENT OF SIAYA: PROPOSED ECD BLOCK

Transcription

1 PROPOSED ECD BLOCK ELEMENT NO. 1 SUBSTRUCTURES (ALL PROVISIONAL) A B C D Site clearance Clear the site off grass, shrubs and all vegetation; cart away as directed Excavate vegetable soil average 200mm deep and cart away as directed Excavation Excavate oversite to reduce levels commencing from stripped level average 300mm deep and spread on site av. 10 meters away Excavate for strip foundation starting from reduced level not exceeding 1.50 meters deep and cart away as directed 210 sm 210 sm 63 cm 74 cm E Extra over excavation for excavating in rock. 2 cm F Return, fillin and ram selected excavated material 88 cm G H Remove and cart away from site surplus excavated material as directed Diposal of water Keeping all excavations free from all water including spring or running water 49 cm Item Planking and strutting J Uphold the sides of all excavations Item K Filling Hardcore filling in making up levels exceeding 250mm thick, depositing and compacting in layers of 125mm maximum thickness 52 cm L 50mm thick murram blinding to surfaces of fill 159 sm Carried to collection Page 1

2 SUBSTRUCTURES (ALL PROVISIONAL) CTD Antitermite treatment A TERMIDOR' or other equal and approved insecticide with a tenyears guarantee to surfaces of fill and tops of foundations Concrete Insitu concrete; reinforced; class 20 / (20mm); vibrated 159 sm B Foundations in trenches irrespective of thickness 8 cm C 150mm thick bed including Ramp 29 cm Reinforcement Bars; high yield steel; cold worked to B.S including bends, hooks, tying wire and distance blocks D 12mm bars 255 kg E 8mm bars 135 kg Fabric; B.S F 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 200 sm Carried to collection Page 2

3 Sawn formwork to insitu concrete as described: A To sides; vertical or battering of strip foundations. 23 Sm B Edges of ground floor slab; 75 to 150mm wide 68 Lm C Walling 200mm thick approved local natural stone; roughly squared to foundation walling; bedding and jointing in cement sand (1:3) mortar Damp proofing 112 Sm D Polythene; 1000 gauge, 150mm laps (no allowance made to laps), horizontal; 1 no. layer laid on murram blinding 200 sm E F 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 Insitu finishings 14mm thick 2 No. coatwork cement sand (1:3) render; wood floated to concrete or blockwork base to walls; external Prepare and apply three coats black bituminous paint on: 96 lm 36 sm G Rendered plinths, externally. 36 sm Carried to collection Page 3

4 COLLECTION From page 1 From page 2 From page 3 TOTAL FOR SUBSTRUCTURES CARRIED TO SUMMARY Page 4

5 ELEMENT NO. 2 SUPERSTRUCTURES Insitu concrete; reinforced; class 20 / (20mm); vibrated A Beams 4 Cm Reinforcement Bars; high yield steel; cold worked to B.S including bends, hooks, tying wire and distance blocks B Of assorted bars 560 Kg Sawn formwork to insitu concrete as described: C To sides and soffits of beams 37 sm D 150 mm thick approved local; clay brick walling; bedding, jointing and pointing in cement sand (1:3) mortar internal & external 180 Sm E Ditto gabble walling 33 Sm F 75mm Diameter black pipes Class B with lower part anchored and top portion V shaped approximately 2.7M high 4 No. TOTAL FOR SUPERSTRUCTURE CARRIED TO SUMMARY Page 5

6 ELEMENT NO.3 ROOFING A Galvanized corrugated Sheet roofing; 30 gauge;prepainted Roof covering not exceeding 45 0 from horizontal;fixing to timber structure (m/s) with roofing nails and neoprene washers J bolts nuts neoprene washers and caps. 280 Sm Accessories, fixing as necessary to roof B Ridge cap 28 Lm CARPENTRY The following in sawn celcured cypress; all provisional C 150 x 50mm sawn cypress tie beam 145 Lm D 150 x 50mm rafters 180 Lm E 100 x 50mm wall plate ragbolted at 1200mm centres with 12mm diameter bolts (m/s) 50 Lm F 100 x 50mm king posts 33 Lm G 75 x 50mm sawn cypress struts 162 Lm H 75 x 50mm sawn cypress purlins 336 Lm Wrot cypress, prime grade I 200 x 25mm thick fascia board 76 Lm J Apply gloss paint to Fascias; 200 to 300mm girth; external 76 Lm TOTAL FOR ROOFING CARRIED TO SUMMARY Page 6

7 ELEMENT NO. 4 DOORS/WINDOWS STEEL DOORS A Steel casement doors overall size 900 x 2400mm 4 No B Ditto but flush size 900 x 2400mm complete with frames and all necessary accessories 1 No C Rubber door stop complete with 38 mm rawl bolt 5 No. Painting and Decorations Prepare and apply three coats oil paint full gloss to Crown Solo or other equal and approved to: D General surfaces of steel doors; over 300mm girth internal 36 sm Supply, assemble and fix the following purposemade mild steel casement windows; standard metal section from approved manufacturer complete with frames, transomes, mullions and with and including permanent ventilators comprising "T" bar, gauze and 16 gauge sheet metal hood 50mm high x 50mm projection to full width of window, coupling mullions, approved ironmongery and one coat manufacturer's primer; all welding ground to smooth finish. E Window, overall size 1500 x 1500mm high with 2 No. openable and 2No fixed light each size 500 x 6 No 1500 mm high. F Ditto but burglar proofed 1 No G Window, overall size 1500 x 900mm high with 2 No. openable and 2No fixed light each size 500 x 1500 mm high. 6 No H Ditto but burglar proofed 1 No Glazing I 4mm Thick clear sheet glass panes over 0.1 but not exceeding 0.5 square meters; fixing with putty 48 sm Prepare and apply three coats oil paint full gloss to Crown Solo or other equal and approved to: J General window surfaces; over 300mm girth 82 sm TOTAL FOR DOORS/WINDOWS Page 7

8 ELEMENT NO. 6 FINISHES Wall finishes Plaster; 12mm thick 2 No. coatwork, 9mm first coat of cement sand (1:6); 3mm second coat of cement and lime putty (1:10); steel trowelled toconcrete or brickwork base generally to: A Walls; internal & external 415 Sm B 3200x1500mm wide,25mm thick blockboard plugged to concrete or blockwork complete with 50x25mm thick chamfered frame all round;3coats of black bituminous paint Painting and decorations Prepare and apply three coats of first quality plastic emulsion paint to: 3 No C Plastered walls and beams 415 sm Prepare and apply three coats of first quality of black bitumastic paint to: D chalk board; 14 sm Floor finishes E 38mm thick one coat backings; steel trowelled smooth to concrete base; to floors level; internal 200 Sm TOTAL FOR FINISHES CARRIED TO SUMMARY Page 8

9 ITEM KSHS CTS BUILDERS WORKS SUMMARY PAGE 1 SUBSTRUCTURES PAGE 4 2 FRAME/WALLING PAGE 5 3 ROOFING PAGE 6 5 DOORS/WINDOWS PAGE 7 6 FINISHES PAGE 8 SUB TOTAL : BUILDERS WORK ADD Allow for Kenya shillings One Hundred and Fifty for Contigencies to be expended as instructed by the 100, Engineer Allow for Kenya shillings Seventy Five Thousand for 75, Project Management Expenses Allow for Kenya shillings One Hundred and fifty for a two door pit latrine to be constructed as per the 150, Engineer's instructions. SUBTOTAL: PROVISIONAL SUMS 325, TOTALS FOR BUILDERS WORK AND PC SUMS ADD: 16% TOTAL FOR ECD BLOCK CARRIED TO FORM OF TENDER Page 9

10 SCHOOL OF EXCELLENCE; CLASSROOM BLOCK SUMMARY ELEMENT NO. TITLE PAGE NO. K.SHS. BUILDER'S WORKS 1 SUBSTRUCTURE (ALL PROVISIONAL) BW / 4 2 FRAME BW / 5 3 ROOFING. BW / 9 4 EXTERNAL & INTERNAL WALLING BW / 10 5 DOORS BW / 12 6 WINDOWS BW / 14 7 FINISHES BW / 18 SUBTOTAL; BUILDER'S WORKS SPECIALIST WORKS 8 ELECTRICAL WORKS 9 MECHANICAL WORKS NIL SUBTOTAL; SPECIALIST WORKS SUBTOTAL; MEASURED WORKS 10 say 5% of Measured Works 5% say 5% of Measured Works 5% 0.00 TOTAL FOR 1NO CLASSROOMS CARRIED TO GRAND SUMMARY % vat 0.00 Total 0.00 C BW/ 19