ABSTRACT
Splay; LH and RH 21.48 0.33 19.25 – 22.38 pair 41.63 drop crossing kerbs; KL half battered to KS
bullnosed 20.90 0.33 19.25 – 21.80 pair 41.05
Marshalls Mono; small element precast
concrete kerb system; Keykerb Small (KS)
upstand of 25-50mm; on 150mm concrete foundation including haunching with in situ
concrete (1:3:6) 1 side
Half battered
laid straight 8.54 0.27 15.40 – 9.44 m 24.84 radial blocks laid to curve; 8 blocks/1/4
circle; 500mm radius 7.01 0.33 19.25 – 7.91 m 27.16 radial blocks laid to curve; 8 radial blocks,
alternating 8 standard blocks/1/4 circle;
1000mm radius 11.28 0.42 24.06 – 12.18 m 36.24 radial blocks, alternating 16 standard
blocks/1/4 circle; 1500mm radius 12.07 0.50 28.88 – 12.97 m 41.85 internal angle 90° 5.14 0.07 3.85 – 5.14 nr 8.99 external angle 5.14 0.07 3.85 – 5.14 nr 8.99
PRECAST CONCRETE EDGINGS
Precast concrete edging units; including
haunching with in situ concrete; 11.50N/
mm2 – 40mm aggregate both sides Edgings; rectangular, bullnosed or chamfered
50× 150mm 1.75 0.11 6.42 – 6.01 m 12.43 125× 150mm bullnosed 1.81 0.11 6.42 – 6.07 m 12.49 50× 200mm 2.63 0.11 6.42 – 6.89 m 13.31 50× 250mm 3.05 0.11 6.42 – 7.31 m 13.73 50× 250mm flat top 3.22 0.11 6.42 – 7.48 m 13.90
PC
Excluding site overheads and profit £ hours £ £ £ rate £
STONE KERBS
Dressed natural stone kerbs – General Preamble: The kerbs are to be good, sound
and uniform in texture and free from defects;
worked straight or to radius, square and out of
wind, with the top front and back edges
parallel or concentric to the dimensions
specified. All drill and pick holes shall be
removed from dressed faces. Standard
dressings shall be designated as either fine
picked, single axed or nidged or rough
punched.