SANS 10120-4 DE-1984 Code of practice for use with standardized specifications for civil engineering construction and contract documents Part 4 Typical schedule of quantities Secti.pdf

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3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. SABS 0120 : Part 4 Section DE-1984 Small earth dams PART 4 : TYPICAL SCIIEDULES OF QUANTITIES SECTION DE CONTENTS Page Number SECTION : SMALL EARTH DAMS

4、1 March 1984 Approved by the COUNCIL OF THE SOUTH AFRICAN BUREAU OF STANDARDS SAAS 0120 : Part 4 Section DE-1984 Small earth dams SABS 1200 DE : SMALL EARTH DAMS NOTE: see clause 5 of Section 0. Item NO. refers I Short Description S ARS 1200 DE 8.3.1.1 8.3.1.6 8.3.1.2 8.3.2 8.3.4 8.3.3(a) 8.3.3(b) a

5、nd (c) 8.3.3(c) 8.3.5 3.3.8 3.3.6 3.3.7 I PREIJMINARY AND GENERAL SITE CLFARANCE AND PREPARATION Clear and strip area to be covere- a) Solum of dam, outlet works, and spillway b) Reservoir basin C) Borrow areas Remove trees from areas covered by items .2.1 - -2.3 and dispose Girth of trees: Over 1,O

6、 m 2,O m 3,O m Remove topsoil from extra depths to stockpile (Prov.) Preparation of solum of dam EXCAVATION Material unsuitable for embankment. Excavate from essential excavations, and place in spoil dumn from solum, cut-off, outlet trenches, and spillway areas r intermediate material and move to ap

7、pro- riate zones in embankment from a) cut-off trench C) outlet trench C) spillway channels items .3.2 - -3.4, for hard rod aterial (Prov. quantity) ake delivery of material excavated under items .3.2 to .3.4 or excavate andselect from borrow pits, place, spread, and con- solidate material in approp

8、riate zones in embankment ) Selected impervious material ) Transition Unit ha or m2 ha ha No. NO. No. m 3 m 2 m 3 m 3 m 3 m 3 m 3 m 3 m 3 m 3 m 3 m 3 m 3 m 3 m 3 3 m311km m Sum aan- ity Rate (See Amount ction AD) SABS 0120 : Part 4 Section DE-1984 Small earth dams I ten No. .S .5.1 .5.2 .5.3 .5.4 .5

9、5 .G .6.1 .6.2 .6.3 .6.4 .l .2 .2.1 .2.2 -2.3 .3 -3.1 -3.2 .3.3 .3.4 -3.5 .3.6 -3.7 .3.8 .4 .4.1 .4.2 .4.3 .4.4 Payment refers PSDE PSDE SABS 1200 DE 8.3.10 8.3.9 ESDE SABS 1200 DE 8.3.1.1 8.3.3 8.3.3 3.3.3fc) 1.3.4 Short Description Brought forward/ FINISAINGS Trim rock surfaces in spillway channe

10、ls - a) Within 3 m from control wall b) 3 m and more from control wall Stone pitching including supply and placing c stone and gravel backinq a) Grouted, minimum thickness 300 mm . . b) Other types or thicknesses Grassinq Downstream face of embankment OUTLET WORKS Construct outlet pipeline with . mm

11、 diamete class ., . pipe, complete except for encasement Provide and install . mm gate valve Construct outlet valve box complete, to Dwg Concrete of specified strength 15 MPa for pipe-encasement including costs of all reinforcement and formwork shown on Dwg . ALTERNATIVELY - PRELIMINARY AND GENERAL

12、STRIP SITE - a) Foundation area of embankment, spl,llway, and other structures bl Borrow areas C) Stockpile topsoil b) Andation area (solum) C) Cut-off trench d) Outlet trench Extra-over items .3.2, .3.4, and -3.5 for excavation in hard rock material for 3) Spillwav D) m mL m 3 50 kg sacks Quan- tit

13、y Rate Amount jection AD) SABS 0120 : Part 4 Section DE-1984 Small earth dams Item NO. -5 .5.1 .5.2 .5.3 .5.4 .5.5 .5.6 .5.7 .G .6.1 Payment refers Short Description S ABS 1200 DE 8.3.5 B.3.5(b) 3.3.5(e) FORM EMBANKMENT Items .3.2 - l b) Zone I11 C) Zone IV Using material from designated borrow areas, form embankment in a) Zone I (Core) from borrow area No. 1 b) Zone 11 (Transition) from dam basin C) Zone I11 (Shell) from dam basin d) Zone V (Rock toe) from dam basin Unit Rate Amount sabs Pta