PROPOSED EXTERNAL WORKS AT NKABUNE TECHNICAL TRAINING INSTITUTE BILL 1 DRIVEWAYS AND PARKINGS

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1 PROPOS XTRNAL WORKS AT NKABUN THNIAL TRAINING INSTITUT BILL 1 RIVWAYS AN PARKINGS ITM NO SRIPTION QTY UNIT RAT AMOUNT SIT LARAN AN XAVATION 418 SM A ut grass and shrubincluding grubbing roots along proposed driveway alignment and dispose arising B Allow for cutting of tree girth not less than 1 No 1 m including grubbing of roots and disposing all arising Site Preparation xcavate over site average depth 150mm to 1,515 SM remove vegetable top soil and dispose as directed by R. xcavation xcavate in bulk to reduce levels not exceeding 500mm deep from stripped level 1,515 SM F xtra cover excavation in rock class II 1 G H isposal of excavated material Load and cart away excess excavated material from site to approved dumping site 985 M Surface treatment Grade and compact to falls and across fails: bottom of excavation: compact to 100% BS compaction 1,515 SM J Provide and spray approved herbicide 1,515 SM to manufacturers specifications W 1

2 ITM NO SRIPTION QTY UNIT RAT AMOUNT ROA ONSTRUTION Fillings Provide, lay and compact 200mm thick approved gravel sub-base compacted in 100mm thick layers:laid to falls and cross falls:compacted to A 100% BS compaction 586 SM B Provide, lay and compact 200mm thick hand packed stone base:graded to falls and cross falls:compacted to 100% BS compaction Provide and lay 50mm thick approved fine sand or quarry dust:graded to falls and cross falls:finished to receive cabro blocks Precast concrete units Kerb and channel 125 x 250mm kerb half battered bedded jointed and pointed in cement and sand(1:3)mortar:125x100mm channel laid on and including 300x100mm concrete(1:3:6) haunching including any ncessary formwork 586 SM 586 SM 125 LM itto: curved to a mean radius of 2.5m on plan 10 LM F Kerb only 125 X 250mm kerb half battered bedded jointed and pointed in cement and sand (1:3) mortar: including 300 x 100mm concrete (1:3:6) haunching including all necessary formwork 179 LM G H itto; curved to a mean radius of 2.5m on plan 6 LM 300 1, hannel 125 x 100mm channel: bedded, jointed and pointed in cement sand(1:3)mortar:laid on and including 300x100mm conrete(1:3:6) hauching including any necessary formwork 14 LM Bamburi' or equal approved concrete blocks: on sand or quarry dust layer (m.s) J 80m thick Road paving 486 SM W 2

3 ITM NO SRIPTION QTY UNIT RAT AMOUNT A ROA MARKINGS Provide and apply 3 coats of approved quality road marking paint, white in colour on kerbs 500mm wide strips 72 LM B itto: but yellow in colour 72 LM Brought down from Page 1 Brought down from Page 2 Brought down from Above Total for riveways W 3

4 ITM NO SRIPTION QTY UNIT RAT AMOUNT BILL 2 PARKING ARAS SIT LARAN AN XAVATIONS A B ut grass and shrub including grubbing roots along proposed driveway alignment and dispose arising Allow for cutting of tree girth not less than 1m including grubbing of roots and disposing all arising arefully remove the flag post and its platform and reconstruct in the new position to details Site preparation xcavate over site average depth 150mm to remove vegetable top soil and dispose as directed by R xcavation xcavate in bulk to reduce levels not exceeding 500mm deep from stripped level 143 SM 0 No ITM 430 SM 430 SM F xtra over excavation in rock class II G isposal of excavated material Load and cart away excess excavated material from site to approved dumping site 345 M H Surface treatment Grade and compact to falls and cross falls: bottom of excavation: compact to 100% BS compaction 430 SM I Provide and spray approved herbicide to manufacturers specifications W SM

5 ITM NO SRIPTION QTY UNIT RAT AMOUNT ROA ONSTRUTION A Fillings Provide, lay and compact 200mm thick approved gravel subbase compacted in 100mm thick layers: Laid to falls and cross falls: compacted to 100% BS compaction 430 SM B Provide, lay and compact 200mm thick hand packed stone base: graded to falls and cross falls: compacted to 100% BS compaction 430 SM Provide and lay 50mm thick approved fine sand or quarry dust: graded to falls and cross falls: finished to receive cabro blocks Precast concrete units Kerb an channel 125 x 250mm kerb half battered bedded jointed and pointed in cement and sand (1;3) mortar: 125 x 100mm channel laid on and including 300 x 100mm concrete (1:3:6) haunching including any necessary formwork 430 SM 0 LM Kerb only 125 X 250MM kerb half battered bedded jointed and pointed in cement and sand (1:3) mortar: including 300 x 100mm concrete (1:3:6) haunching including all necessary formwork 61 LM F itto: curved to a radius of 2.5m on plan 10 LM G H 125 x 100mm channel: bedded, jointed and pointed in cement sand(1:3) mortar:laid on and including 300x100mm concrete(1:3:6)hauching including any necessary formwork 250 x 300 x 300 Quadrant: bedding and jointing formwork 54 LM 7 NO Bamburi' or equal and approved concrete blocks: on sand or quarry dust layer (m.s) J 80mm thick Road paving 430 SM W 5 ITM SRIPTION UNIT QTY RAT AMOUNT ROA MARKINGS

6 A Provide and apply 3 coats of approved quality road marking paint, white in colour on kerbs 500 mm wide strips 33 LM B itto: but yellow in colour 33 LM Provide and apply 3 coats of approved quality road marking paint, white in colour 100 wide strips 83 LM itto: but yellow in colour 0 LM OLLTION Brought down from Page 4 Brought down from Page 5 Brought down from above Total for Parkings W 6

7 ITM NO SRIPTION QTY UNIT RAT AMOUNT BILL 3 STORM RAIN SIT PRPARATION AN XAVATION A INVRT BLOK RAIN xcavate trench width 650mm depth not exceeding 500mm for storm drain 3 B Return fill and ram 1 F art away excess excavated materials and spread on the site Provide and lay 100mm thick murram bedding for the invert block drain Provide, lay and joint with cement sand 1:3 mortar 300mm diameter precast concrete IBs to slope as specified OVR RAIN xcavate trench depth not exceeding 150mm for torm drain SM 122 LM G Trim excavation to slope 0 SM H Return fill and ram J art away to spread around the site K L M N Provide material, mix and lay concrete class 15 (1:3:6 mix) thickness 100mm footing to masonry side walls to drain Natural stone masonry 150mm thick walling jointed in cement sand 1:3 mortar to forms sides to drain oncrete 1:3:6 in benching at the bottom of the drain width not exceeding 300mm including to a height of approximately 200mm to form channel and render in cement sand mortar(1:4)trowelled smooth 12mm thick cement sand (1:4) plaster to internal drain walls trowelled smooth 0 SM 0 SM 0 SM W 7

8 ITM NO SRIPTION QTY UNIT RAT AMOUNT A Provide, lay and joint with cement sand mortar 600 x 600 x 50mm thick precast concrete cover slab to drain to detail 0 LM B hannel with grating xcavate trench width not exceeding 800mm and depth not exceeding 1000mm for storm drain Return fill and ram F G art away excess excavated materials and spread on the site Provide and lay 100mm thick murram bedding for the invert block drain Provide, lay and joint with cement sand 1:3 mortar 300mm diameter precast concrete IBs to slope with 12mm m/s bars welded to 40mm centres to detail Shallow channel xcavate trench width 600mm depth not exceeding 1000mm for storm drain 0 SM 0 LM H Return fill and ram J K L art away excess excavated materials and spread on the site Provide and lay 100mm thick murram bedding for the invert block drain Provide, lay and joint with cement sand 1:3 mortar 150mm deep diameter precast concrete IBs as drain to parking area W 8 0 SM 0 LM

9 ITM NO SRIPTION QTY UNIT RAT AMOUNT Piped storm drain A xcavate trench not exceeding 1200mm for culvert starting from stripped level B Return fill and ram art away excess materials to spread on site Provide materials, mix and lay concrete class 1:3:6 100mm thick concrete bedding to culvert Provide, lay and joint in cement sand 1:3 mortar 300mm diameter precast concrete culverts with concrete sorround to details and to approved slope 0 LM F Provide and joint in cement sand 1:3 mortar natural stone headwalls plastered smooth with a float including all necessary excavations, filling and ramming, concrete 1:3:6 bedding all to detail 0 NO OLLTION Brought down from Page 7 Brought down from Page 8 Brought down from above Total for Storm rain W 9

10 GRAN SUMMARY Section Page No Amount No 1 RIVWAYS W PARKINGS W STORM RAIN W - 9 TOTAL KSHS. W 10