Item Description Qty Unit Rate Total No (Kshs) 1 NO. SINGLE WORKSHOP BLOCK ELEMENT NO. 1: SUBSTRUCTURE Excavations Excavations including maintining and supporting sides and keeping free from water, mud and fallen materials A Clear site of all bushes, shrubs and undergrowth, grub up roots and burn all the arisings 330 Sm B Excavate in site soils to reduce levels, depth not exceeding 1.5 m 45 Cm C Excavate foundation trench not exceeding 1.5 m meters deep starting from reduced level and stock pile on site as directed 150 Cm D Excavate pit for column / pier bases 62 Cm E Extra over excavtions for excavating in rock 5 Cm Planking and strutting F Allow for maintaining and supporting sides of excavations and for keeping the same free from fallen materials 1 Item Keeping excavations free from water G Allow for keeping excavations free from water and mud by pumping, biling or toehr approved means 1 Item Fillings / disposal H Return, fill and ram selected imported murram materials around foundations 168 Cm I Load, wheel and deposit surplus excavated material where directed by architect on site not exceeding 50 m away 132 Cm Carried to collection WS / 1
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Item Description Qty Unit Rate Total
No (Kshs)
1 NO. SINGLE WORKSHOP BLOCK
ELEMENT NO. 1: SUBSTRUCTURE
Excavations
Excavations including maintining and supporting
sides and keeping free from water, mud and fallen
materials
A Clear site of all bushes, shrubs and undergrowth,
grub up roots and burn all the arisings 330 Sm
B Excavate in site soils to reduce levels, depth not
exceeding 1.5 m 45 Cm
C Excavate foundation trench not exceeding 1.5 m meters
deep starting from reduced level and stock pile on site
as directed 150 Cm
D Excavate pit for column / pier bases 62 Cm
E Extra over excavtions for excavating in rock 5 Cm
Planking and strutting
F Allow for maintaining and supporting sides of
excavations and for keeping the same free from fallen
materials 1 Item
Keeping excavations free from water
G Allow for keeping excavations free from water and
mud by pumping, biling or toehr approved means 1 Item
Fillings / disposal
H Return, fill and ram selected imported murram materials
around foundations 168 Cm
I Load, wheel and deposit surplus excavated material
where directed by architect on site not exceeding 50 m
away 132 Cm
Carried to collection
WS / 1
Item Description Qty Unit Rate Total
No (Kshs)
Hardcore filling
A 300 mm thick under floor compacted in 150 mm layers 234 Sm
B 50 mm thick quarry dust blinding to surfaces of hardcore 234 Sm
Anti termite treatment
C Chemical anti termiate treatment executed complete by
an approved specialist under a ten (10) year guarantee
to surfaces of blinded hardcore 234 Sm
Damp profo membrane
D 500 gauge polythene or other equal and approved damp
proof membrane laid under surface bed with 300 mm
side and end laps (measured nett - allow for laps) 234 Sm
Concrete works
Concrete (1:3:6) as described in:
E 50 mm thick blinding 104 Sm
Reinforced concrete (1:2:4) as described in:
F Strip foundations 18 Cm
G Column / pier bases 6 Cm
H Foundation columns 2 Cm
I 100 mm thick surface bed 234 Cm
Reinforcement
Fabric reinforcement to B.S. 4483 and setting in
concrete with 300 mm side and end laps (measured
net tallow for laps)
J Fabric mesh ref A 98 weighing 0.54kg per square
metre in floor bed and ramps 234 Sm
Carried to collection
WS / 2
Item Description Qty Unit Rate Total
No (Kshs)
Mild steel round reinforcement bars to BS 4449
in structural concrete works
A 8 mm diameter bars 18 Kg
Square twisted mild steel reinforcement in structural
concrete work
B 10 mm diameter bars 640 Kg
C 12 mm diameter bars 966 Kg
Sawn formwork to:
D Sides of vertical columns 10 Sm
E Sides of column / pier bases 26 Sm
F Edges of ground floor slab over 75 mm but not
exceeding 150 mm high 66 Lm
Sub wall
Walling in natural coursed stone obtained from an
approved quarry, jointed and bedded in gauged
mortar (1:3):
G 200 mm thick wall in foundations 168 Sm
H Extra over external wallingn attached stone piers size
400 x 200 x 1000 mm high in natural coursed stone
walling as before described 14 No
Three ply bitumious felt dap proof course bedded
in cement and sand (1:3) mortar (measured net
allow for laps)
I 200 mm wide horizontal layer 92 Lm
Carried to collection
WS / 3
Item Description Qty Unit Rate Total
No (Kshs)
Plinth
12 mm cement and sand (1:3) render on stone or
concrete work
A Concrete or masonry walling plinths 30 Sm
Prepare and apply two coats black bituminous
paint to:
B Rendered concrete or stone surfaces 30 Sm
Paved areas aroudn building plinth
C Supply & lay pre cast concrete slabs sides 600x600 mm
laid on and including 50 mm thick consolidated sand
bend and 100 mm thick murram sub base to fall and
including all necessary excavtions and anti termite
treatment to sub base 40 Sm
Steps and ramps
D G - mass concrete (1:3:6) in ramps 2 Cm
E H - Ditto in steps 2 Cm
Carried to collection below
COLLECTION
Brought forward from page WS / 1
Brought forward from page WS / 2
Brought forward from page WS / 3
Brought down from above
SUBSTRUCTURE CARRIED TO SUMMARY
WS / 4
Item Description Qty Unit Rate Total
No (Kshs)
ELEMENT NO. 2
FRAME
Concrete works
Reinforced concrete
Reinforced concrete (1:2:4) as described in:
A Beams 6 Cm
Reinforcement (all provisional)
Mild steel round reinforcement bars to BS 4449
in structural concrete work
B 8 mm diameter bars 250 Kg
Square twisted mild steel reinforcement to
BS 4461 in structural work
C 12 mm diameter bars 356 Kg
Sawn formwork to:
D Sides and soffites of beams 74 Sm
Steel columns
Mild steel including griding all welds smooth and
painting with red oxide primer before delivery to
site
E 75 mm diameter x 3 mm thick circular hollow section
(CHS) mild steel column 3000 mm long; one end
built into concrete base and the other welded onto
mild steel U shaped holder batts (MS) 8 No
Carried to collection
MS / 5
Item Description Qty Unit Rate Total
No (Kshs)
A Extra over above for provision and welding of
100 x 75mm U shaped holder bath, twice drilled for
12 mm diameter bolt to top end of CHS column to
receive wall plate (MS) 8 No
Carried to collection below
COLLECTION
Brought forward from page WS / 5
Brought down from above
FRAME CARRIED TO SUMMARY
WS / 6
Item Description Qty Unit Rate Total
No (Kshs)
ELEMENT NO. 3
WALLING
External walling
Machine cut natural coursed stone obtained from
an approved quarry, jointed and bedded in gauged
mortar (1:3):
A 200 mm thick walling 150 Sm
B Raking and cutting 200 mm thick stone walling for slope 36 Lm
C Extra over external walling for attached stone piers
size 400 x 200 x 300 mm high in natural coursed stone
walling as before described 14 No
Internal walling
Machine cut natural coursed stone obtained from
an approved quarry, jointed and bedded in gauged
mortar (1:3)
D 200 mm thick walling 86 Sm
E Eaves fitting with 200 mm thick antural stone walling 48 Sm
WALLING CARRIED TO SUMMARY
WS / 7
Item Description Qty Unit Rate Total
No (Kshs)
ELEMENT NO. 4
ROOFING
Roof construction
Timber roof construction (Provisional)
Structural timbers, sawn cypress pressure
impregnated as described
The following in double pitch trusses including
hoisting and fixing in position approx 3500 mm
above ground floor including all necessary jointing
A 150 x 50 mm truss rafters 214 Lm
B 150 x 50 mm ceiling joists 142 Lm
C 150 x 50 mm king posts 30 Lm
D 100 x 50 mm struts / ties 222 Lm
Structural timber sawn cypress pressure
impregnated as described
E 150 x 50 mm verandah beam 24 Lm
F 100 x 50 mm wall plate secured with and including 12mm
diameter mild steel anchor bolt 300 mm long at 900 mm
centres cast in concrete ring beam 48 Lm
G 75 x 50 mm purlins 284 Lm
Roof coverings
Pre painted corrugated iron roofing sheet fixed
appro 3000 mm average height from ground level
with and including 100 mm long galvanized roofing
nails on timber purlins (MS) with one and a half
corrugation side lap and 150 mm end laps
H 28 gauge roof covering not exceeding 45 degree from
horizontal includign all necessary fixtures 304 Sm
Carried to collection
WS / 8
Item Description Qty Unit Rate Total
No (Kshs)
A Ditto ridge cap overall width 350 mm 24 Lm
Sawn cypress timber selected and kept clean:
B 200 x 25 mm fascia or barge baord 74 Lm
C 75 x 25 mm thick wrot prime grade cypress eaves timber
slutting in eaves at 100 mm centres (MS) 60 Sm
D Extra over ditto for 150 x 150 framed vents with two
layers approved mosquito wire gauze netting 60 No
Painting and decorating
Knot, prime, stop, prepare and apply three coats
gloss oil paint on:
E General timber surfaces 60 Sm
F Timber surfaces over 200 mm but not exceeding 300 mm
girth 60 Lm
Carried to collection below
COLLECTION
Brought forward from page WS / 8
Brought dowwn from above
ROOFING CARRIED TO SUMMARY
WS / 9
Item Description Qty Unit Rate Total
No (Kshs)
ELEMENT NO. 5
WINDOWS
Window cill
A 150 x 15 mm quarry tile external window cill pointed in
cement and sand (1:3) mortar 30 Lm
Steel casements
Purpose made casement window with standard
"Z" section framing including all coupling mullions
etc and complete with bronze handles, peg stays
and other iron mongery and 12 mm mild steel round
bars at 200 mm centres both ways all factory
primed with red oxide primer including cutting
and pinning fixting lugs to concrete or masonry
jambs; bedding in cement sand sand (1:3) mortar
pointing all round frames in mastic, easingg, oiling
and adjusting opening lights on completion
B Window size 1500 x 1500 mm high 16 No
Glazing
4 mm clear sheet glass and glazing
C Glases with approved metal putty to steel casement 36 Sm
Pelmet boxees
Wrot hardwood
D 25 x 125 mm top, 25 x 100 mm front screwed to and
including 25 x 50 m cypress bearer plugged to wall