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.