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(Jialy 77)gully gratings. Because it is difficult to gauge exactly howmuch uncompacted bituminous material should be laid beside a pieceof concrete to achieve the same level after compaction,insufficient material is often provided, which appears satisfactoryat the time of laying, because the roller is supported on theconcrete, but sinks below the concrete after further compactionby traffic. The difference of level causes impacts fromvehicle wheels, which break down the surrounding material toform holes, which hold water, which accelerates the breaking downprocess. For this reason, the introduction of concrete intoflexible pavements is very bad practice, and should be carefullyavoided except in the case, mentioned in the previous paragraph,of a flat location where a concrete channel is necessary togive an artificial gradient. Wearing courses for flexiblepavements should present a homogeneous aspect from kerb tokerb, broken only by cast-iron manhole covers and gullygratings.7,3.6 Stormwater drainage detailsAlthough the hydraulic design of stormwater drainage isoutside the scope of this section, certain aspects of stormwaterdrainage affect pavement design, notably channels, crossfallsand gullies.Mention has already been made of channels in connectionwith both flexible and rigid pavements.Crossfall should be provided on all/highway pavements toshed stormwater to the channels* Experience has shown thatcrossfalls of /2%/for flexible pavements, and2 % for rigid pavementsgive satisfactory results. 0^straight lengths of road,crossfall should be provide^'in the form of camber; on curves,superelevation requirementûsually ensure sufficient crossfallfor drainage purposes, b^ where the radius of curvature is toolarge for superelevatio/ to be necessary, straight crossfallshould be introduced at the gradients shown above.Gullies should be provided and located as required byhydraulic considerations. Suitable designs for gullies areshown on Figs. V*7.12 to V.7,17. If gully gratings toFigs. V.?.lV.:r and V.7.iif.2 are available, the use of eitherof the desig&s shown on Figs. V.7*12 and ^.7*13 is recommended.The design/of Fig. ¥.7*12 is preferred, because it is lessliable tc/choke, but if any possibility exists of sewage beingdischarged into the stormwater drain serving the gullies, thedesig/of Fig. V.7.13 should be used. Figs. V.7.15 to V.7.17*whi^fi have been used successfully in the New Territories,be used if only gratings to standard drawing No. CE 1029available.
V.7.3.6 (Cont'd)(July 77).The arrangement shown on standard drawing No. CE lOkk isexpensive to construct, becomes choked easily and is difficultto clean. Its use is consequently no longer recommended*Gullies in flexible pavements should be surrounded w/thbituminous paving material; for the reasons given in paragraph7«3«5 they should not be surrounded with concrete.On the other hand, gullies in rigid pavements ^hould beset in small, individual concrete slabs separated f/om the mainpavement slab by a butt joint painted with a suitable bondbreakingsubstance and sealed* Transverse joints in rigidpavements should be located with care so that they either jointhe front face of a gully or are situated at /least 2 meters awayfrom the side face of any gully. /If hydraulic considerations require gullies to be used inpairs, they should be spaced at least
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UNIVERSITY OF HONG KONGLIBRARYHong
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NOTESThe Civil Engineering Manual o
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CONTSUTSClauseNo,TitleClans®No*Tit
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ALPHABETICAL INDEXTitleClause No.AA
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TitleClause No.GeneralGeneralGenera
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TitleClause No.PERMITS AND SHORT-TE
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TitleClause No.Safety Fences, Pedes
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¥.1*1.2 (Cont'd.)(July 7?)Item 7 s
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V.1.1.4 (Cont'd.)(July 7?)Item 22It
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Y*1*1*7 (Cont'd*)(July 77)If releva
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(July 77)££S2£§S£i^(a)This pro
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7«1*2«1 (Cont f d*(July 77)P*G«B
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(July 7?)acquire land for street wi
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V.1.2,3 (Cont'd.)(July ?7)(ii) By n
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(July 77)1 *41*4*1OHThese instructi
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(July 77)1.4.31 *4*4 FinanceMonthly
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,1«5.1 (Cont'd*)Fuly 77)(d)(vii) W
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V.1.6(July 77)1>6 KefersiacesReleva
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Appendix 1 - p«2(July 77)Pliase I
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V.1Appendix 1 - p*4(July 77)Phase I
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V. 1Appendix 1 - p*6(July 77)Phase
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V.1Appendix 1 - p.8(July 77)NotesSu
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V.1Appendix 1(July 77) - p*1QPART I
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1* PresentationHighways Office* P+V
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v.rAppendix 2 - p*3(July 77)3*7 Dgg
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Y.1Appendix 2 - p*5(July 7?)(v) des
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1* PresentationV.1Appendix 5 w P*1(
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V.1Appendix 5 -(July ?7)(b)(c)(d)lo
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V.1Appendix 4 - P»2(July 77)Schedu
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The amendment is direct conversion
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Name ofRoad/StreetApprovedDrawingBa
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The amendment is direct conversion
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JName of j ApprovedRoad/Street j Dr
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List of Roads Affeoted by Road Wide
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V.1 'Appendix 6(July 77)Prom s Chie
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Appendix 8(July 11}M'E M 0From s C.
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7.1Appendix 10(July 77)MEMOFrom $ C
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7.1Appendix 12(jtdy 77)MEMOFrom i C
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Appendix 14(July 77)Prom s D*L»Ref
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Appendix 16(July 7?)MEMOi Registrar
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V.1Appendix 1? - p«2(July 77)I? Ex
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Highways () DivisionWORKS CONTINGEN
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V.1Appendix 20(juLy 77)CHECK LIST -
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V.1Appendix 21 - p»2(July 77)FOE O
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7.1Appendix 22 - p.2(July 77)21. G.
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H.H.4.3V.1Appendix 24(July 77)Our R
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H.H.Appendix 26(July 77)HIGHWAYS (H
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V.2.2.1(July 77)2*2 PROCEDURE2 * 2
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(July 11}2.5 PRIVATEForms FGForms F
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?*2«3*1 (Cont f d«)(July 77)Appen
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?« 2.3*3 (Cont s d)(July 7?)Only o
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(July 7?)2«4 GQj^MEKT PROJECTS2«4
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Amendnent Sheet Ko» 7Formation Req
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V.2Appendix 1 - p.2(July 77)FOR ADV
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V.2Appendix 2 - p*2(July 77Îtem Ho
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Appendix 3 ~ P*1(July 7?)Notes on F
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¥.2Appendix 5 - P»3(July 77)(* in
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V.2Appendix 4 ~ p*2(July 77)3* To e
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7*2Appendix 6(July 77)Land Developm
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Appendix 7 - P*2(July 77)Land DeTel
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V.2Appendix 7 «• P*4(July 7?)Lan
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Appendix 8 — p*2(July 77)Land Dev
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¥.2Appendix 9(July 77)Authorized A
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Y.2Appendix 11(July 77)Form BProm s
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¥.3.1(July 77)CHAPTER 3MAINTEMAIGE
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(Aug* 78)3*1*2 GeneralAmentoent She
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(Aug* 78)3*1*^ Surveys3«1*5 Inspec
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(Aug. 78)3*2*4 ôcediire^^ for Work
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V.3.2.7(AUK. 78)3*2.7 Correspondenc
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¥.3.4(July 77)3*4 BUS TERMINI AID
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V.3.6(July 77)3.6 TRAFFIC AIDS3.6.1
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77)3-6.4 PrpcdurC. for T., is the a
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V.3*6*7(July 773*6,7 J?l!iMI§,4]^^
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(July 77)3.8 CI^£gANCE .........OF
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77)3«8« l * Obetructigns ........
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.3*9«2 (Cont'd.)(ill) He should ad
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V.3.10.4(July 77)3*10«4 Bailey...
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¥,3.12(July 7?)3«12 MAIHTENANCE O
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¥.3*12.2 (Cont'd.)(July 77)(e) Roa
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3J4DAKGEROTJS BOULDERS(July 77)As a
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(July 77)3« '6 MAINTENANCE OF CEME
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Appendix 1 - p»2(July 77)RemarksRe
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PointV.3Appendix 2 - p.2(July 77)Lo
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V.3Appendix 3 - P«2(July 11}Remark
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Appendix 4 ~ P*2(July 77)RemarksRec
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Appendix 5 ~ P«2(July 77)ftecommen
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V.3Appendix 6 - p.2(July 77)ROAD AN
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¥.3Appendix 7 ~P»1(July 77)Gentle
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Appendix 8(July 7?)R@f * Highways (
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HIGHWAYS OFFICEAppendix 10(July 77)
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¥.3Appendix 12(July 77)REGISTERED
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EnactmentRoad Traffic OrdinanceS.15
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Enactment Subject Authority Delegat
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SIGNS JSP MABKDjaS ~ M INSPECTION R
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OA&os&~Whltc paperIE* -paper— (Re
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Appendix 19 - p«2(July 77)18. The
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7.3Appendix 1977)* »*!»8B««2a±
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Duplicate—re/tow paper—{Retaine
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CIVIL ENGINEERING MANUALVOLUME V RO
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Amendment No. V-l/92 (Jan.)CHAPTER
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4.4.2.5 Creep of concreteAmendment
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Amendment No. V-l/89 (Feb.)4.12.10
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Amendment No. V-l/89 (Feb.)4.15.6 R
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Amendment No. V-l/89 (Feb)4.17.1 Ae
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Amendment No. V-l/92 (Jan.)APPENDIC
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V.4.1Amendment No. V-l/89 (Feb.)CHA
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V.4.2Amendment No. V-l/91 (Jan.)4.2
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V.4.2.2Amendment No. V-l/91 (Jan.)4
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Amendments No. V-2/84 (March)TABLE
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V.4.2.3.3Amendment No. V-l/92 (Jan.
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Table 4.2.4a Drag Coefficient CD fo
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V.4.2.4Amendment No. V-l/92 (Jan.)4
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V.4.2.4.3.1Amendment No. V-l/92 (Ja
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GROUP2TYPE OF CONSTRUCTIONSTEEL DEC
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V.4Appendix 4.2.1 — p. 2(November
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V.4Appendix 4 . 2 . 2 : - p . 2Amen
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V.4r , Appendix 4 . 2 . 2 - p . 4 ,
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V.4Appendix 4.2.3 — p. 2Amendment
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V.4Appendix 4.2.3 - p. 4Amendment N
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V.4Appendix 4.2.4 - p. 2Amendment N
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V.4Appendix 4.2.4- p\ 4Amendment No
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V.4.2.6 (Cont'd)(Noveitiber / 1983)
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V.4.2.10Amendment No. V-l/91 . (Jan
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(1) HB vehicle within one notional
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V.4.2.10.2Amendment No. V-l/91 (Jan
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Amendment No. V-l/91 (Jan.)LoadedLe
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V.4.2.12.3(November, 1983)4.2.12.3
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7.4.1.2(November, 1983)Highway stru
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V.4.2.2Amendments ITo d V-3/854»2
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Amendments !To» V-3/85 (July)4« 2
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DIFFERENCEFROM MEAN VOIDTEMPERATURE
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V, 4*2*4*3(!fevember f 1983)4*2®4
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TABLE A 9 64.^.0SDBPACE TEMPERATURE
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4«2«6f 1983)Although the risk of
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4-2.7V.4.2.7(November, 1983)4.2.7.1
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7*4*2*8(Nbvember f 1983)Pedestrian
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4*2«12«3V*4»2*12*3(November, 198
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V.4Appendix 4«2«1 - p*(Bovember,
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V.4Appendix 4,2.2 - p.2(Kbvember, 1
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V.42, COLUMNS Appendix 4*2*2 - p*4(
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Appendix 4.2.5Amendment No* V-l/92
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V.4Appendix 4-3Amendments No* V-2/8
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TABLE 4.4.1CONDITIONS OF EXPOSURECO
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TABLE 4.4.2Characteristicstrength a
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4*4*2*4 Shrinkage(Ifevember, 1983)S
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3)oc;om•Hmm ajo mo mo(AXm mTIID o
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4«4«2*6 Coefficient of thermal ex
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¥.4.4*4M A * n x 4 (November, 1983
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Y*4*4*4*3 (Qont'd)(November, 1983)T
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Appendix &.4.1-P21000800VDO600o»0u
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TABLE 4.4.3CHEEP INVESTIGATIONDetai
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Appendix 4.4.2-P37 10 20 50 100 200
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7*4POST-TENSIONING SYST3MSAppendix
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4.9 BBABINGS (November, 1983)4*9*1
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TABLE *f.9.1ROTATIONCLASSCLASSIFICA
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AppemSix 4.9.2SCHEDULE OF BEARINGSn
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4*10 FATIGUE(November, 1983)The rec
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«(Hbveniber, 1983)4« 11 ® 6 Psî
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(Sbvember, 1983)Experience has show
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vvSHRINKAGE, CREEP ANDPRESTRESSTHER
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V«4*11*2 (Cont'd)(November, 1983)A
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W.R. Gr a ce (HK) Ltd.CCL Systems P
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Byckerhoff and Widmann AG(Bymdag Sy
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Franki PSC LtdVfong Pa & Company Lt
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V4.12Amendment No. 7-4/85 (Sept*).4
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V4.12Amendment l N Io« ¥-4/85 (Se
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7,4*12*11*1 (Cont'd)mu • • *.
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V*4*13(November, 1983)4*13 TOUNDATI
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4* 13» 5 JteiJIJPULJfeiSlfiLM M iB
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7.4.13.6.2 (Cont'd)(November, 1983)
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lPARTICLE ! SIZE mm//^7f""""1"Tl>oo
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1»3 Overturning2» Piledv.4Appendi
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Y.4*14(November, 1983)4*14 HEADBOOM
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4,14«3 fempjeqsat;Lop, fo r. verti
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4.15 PARAPETSV.4.15(November, 1983)
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4*15«4 BesignV.4«15*4(ifovember,
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V.4«15*5*5 (Cbnt'd)(November, 1983
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4«15«6 Reinfproed i .£onoret e
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4*15.12 Sight ,digtanoea7.4*15.12(N
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TABLESTRENGTH OF BKEMFDJRCED CONCRE
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TABLE 4«15«6DIMENSIONS FOR GBDUP
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•orL^BBranMaanaI,_1 'iAODININGEDF
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15CLFOOTWAYTOP SHAPED TOCOMPLY WITH
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7*4Appendix 4*15*2 - p«1(November,
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¥.4Appendix 4«15*2 - p*34* Vehicl
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4.16 STOKMWATER DRAINAGE7.4.16(Nove
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?.4»l6«2*2(Cont*d)(November, 1983
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¥.4*16*4(Jfovember* 1983)vf' yCity
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V.4.17.2Amendments No. V-2/85 (July
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Amendments No. V-2/85 ( July )FIGUR
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a,FIGURE 4,17.5DIMENSIONS GOVERNING
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V.4.17.5Amendments No. V-2/85 (July
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Amendments No. V-2/85 (July)Texture
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Amtndmtnis No. V-2/85 ( July)GOOD®
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Amtndmtnt* No. V-2/851 July)EXCESSI
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FIGURE 4.17.13 VISUAL INSTABILITY T
Page 394 and 395:
Amendments No. V - 2 / 85 (July )SU
Page 396 and 397: ¥.4*19*4.7(November^ 983)4.7 Blanc
Page 398 and 399: 12* Clause 4*13*3V.4*19*12(November
Page 400 and 401: 17« Clause 4.15*6V*4*19*17(Kbvembe
Page 402 and 403: V.4.17.9Amendments No. V-2/85 (July
Page 404 and 405: RHYTHMFIGURE 4.1Z17RHYMERHYTHM AND
Page 406 and 407: V. 4.17.12Amendments No. V-2/85 (Ju
Page 408 and 409: Amendments No. V-2/85 { July)FIGURE
Page 410 and 411: V.4Appendix 4.17.1 - p.lAmendments
Page 412 and 413: V.4Appendix 4.17.1 - p.3Amendments
Page 414 and 415: 4,18 OPERATIONAL CONSIDERATIONSV*4
Page 416 and 417: 4«18*3«2 Maintenance accommodatio
Page 418 and 419: v.5.1(July 77)CHAPTER 5MINOR WORKS(
Page 420 and 421: (July*??)5*5 PHEPARATION OF, MINOR
Page 422 and 423: Highways""""C ) ""DivisionCheck Lis
Page 424 and 425: Name of Soad sLocation :Sub j ect1*
Page 426 and 427: (July 77)6.1 ROAD RECORDS6*1.1 Proc
Page 428 and 429: NAME OF ROAD:—STATUSLOCATIONAPPRO
Page 430 and 431: V.6Appendix 3(July -??)Road Records
Page 432 and 433: V.7.2(July, 77)7.2 DESIGN PRINCIPLE
Page 434 and 435: ?*7«2,3(Cont f d)(July, 11}Because
Page 436 and 437: V*7.2.6(Cont*d)(July, 77)Suitable s
Page 438 and 439: Ew«*•*1235678TypeofroadCDFeeder6
Page 440 and 441: .* x(July 77)7.3 DESIGN DETAILS7*3*
Page 442 and 443: (July 77)provided with a cap at the
Page 444 and 445: (Jialy 77)7.3* 1 * Edge detailsPave
Page 448 and 449: ¥.7.5*5(Deo.* 83)- ''"gully gratin
Page 450 and 451: Ref. : ( ) in E.G. 4/3/2? Highways
Page 452 and 453: PART BAdditional Requirements to Se
Page 454 and 455: - 5designed accordingly, rather tha
Page 456 and 457: FIG. 7.3.6.2GULLY-325 GRATINGFLEXIB
Page 458 and 459: "FfG. 7. 3.6.4 'UNTRAPPED GULLY{ WI
Page 460 and 461: a — ooDOUBLE GULLIES ATLOW POINTS
Page 462 and 463: Figure g. 7.2Relation,, between cum
Page 464 and 465: Cumulative number of commercial veh
Page 466 and 467: »uwauy200too1BMMK mmtm lillll T*
Page 468 and 469: awu200I II ,.„i MMOn strong subgr
Page 470 and 471: Weight of reinforcement CKg/irr)oOO
Page 472 and 473: Figure T. 7.12 Gully with opening g
Page 474 and 475: "I _1NOT.E : All D!MEf4SIQNS IN MIL
Page 476 and 477: STAHOA.
Page 478 and 479: STANDARD C.I. GULLY GRATINGREF DftG
Page 481: [HKPJ624H77CXOlbMfltHHDate Due
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