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Your Ref:

Our Ref: NEA/EP/PCD/09-01713 (CASE ID: A7294)

Date: 15 November 2011

Qualified Person:M/s Urban 3 Architects

Dear Sir,

DRAINAGE AND SEWERAGE INTERPRETATION PLANS (DIP & SIP) FOR PROPOSED ERECTION OF AWAREHOUSE ON LOT 484N MK 11 AT 7 SUNGEI KADUT STREET 3

Please refer to your application. We acknowledge receipt of your payment of $40 (inclusive of GST) for theprocessing fees. No separate receipt will be issued for the payment.

2 Roof gutters are banned in all new developments. Where it is technically not feasible to avoid erection of roof gutters, the QP shall apply for waiver and obtain CBPU’s approval in writing to erect roof gutters. The ban does not apply toA/A and reconstruction development projects where there are existing roof gutters installed.

3 QP shall submit DC plans to CBPU for clearance prior to the submission of BPs and DPs for clearance/registration.

4 For further information or clarification on the technical requirements stipulated below, QPs may make use of the pre-consultation sessions, held on Mondays to Fridays from 9 am to 12 noon at the NEA Customer Service Centre (2nd storey,ENV Building). For information on submission procedures, please visit our website at http://www.nea.gov.sg/info/cbpu.

5 The information given on this letter forms the best information available and is liable to change without notice.

6 DRAINAGE INTERPRETATION PLAN (DIP)

6.1 The site is not affected by our current drainage scheme.

Minimum Platform Level (MPL)6.2 The minimum platform level for normal developments shall be 300mm above the adjacent road / ground levels,whichever is highest. For special developments (e.g. MRT Stations, developments having direct or indirect underground linkageto MRT Stations, wafer plants, etc), please pre-consult Public Utilities Board (C&W Dept), Officer in-charge Mr. Chee Kok Cheng at Tel no. 67313475 / Mr. Yee Khun Shan at Tel no. 67313462, on the required MPL before making DC and BPsubmission.

Please quote the Case ID in future correspondence / 

telephone enquiry 

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6.6 If the proposed development would require the submission of drainage plans under Street Works Act or involvecrossing-over/reconstruction of roadside drain / entrance culvert, QP shall consult and write to PUB(C&W Dept) to propose asize for the entrance culvert / roadside drain / crossing-over before submitting the DP to CBPU for registration. Theinformation required by PUB(C&W Dept) includes a site plan showing the existing drain size at the development site and theproposed location and size of the entrance culvert/roadside drain/crossing-over. PUB(C&W Dept) will confirm in writing if the proposed size is acceptable. Once the drain size has been confirmed, QP may proceed to submit DP on entrance

culvert/roadside drain/crossing-over for registration to CBPU with copy of PUB’s clearance.

7 SEWERAGE INTERPRETATION PLAN (SIP)

7.1 A copy of SIP showing the approximate alignment and invert levels of the existing / proposed sewers is attached. Theexact alignment and invert levels of the sewers must be determined and verified on site before commencement of work.

7.2 No works either permanent or temporary should be carried out within the sewer protection zone [ie. 25m from theoutermost edge of any sewers or 36m from the outermost edge of the Deep Tunnel Sewerage System (DTSS)] unless awritten approval has been obtained from the Director, Water Reclamation (Network) Department of PUB. QP shall refer toPUB’s website at http://www.pub.gov.sg/general/Pages/PrevntionofDamage.aspx#Prevention for more comprehensiveinformation pertaining to the prevention of damage to the sewerage system, the procedures for application & submission, etcand the PUB Advisory Note-Prevention of Damage to Sewerage System.

7.3 Where the existing public sewer is within or adjacent to the development site boundary, the QP’s application toPUB(WRN Dept.) for written clearance before commencing temporary works/piling works/building works at the site shallinclude pre-construction CCTV survey report & video (DVD) to show the conditions of all these existing sewers. The pre-consultation CCTV survey-report & video shall be prepared in accordance with PUB (WRN)’s CCTV inspectionrequirements as posted on PUB’s website at the website address indicated in para. 7.2 above.[Note: QP may send email to PUB(WRN Dept.) at pub_wrn_corenet@pub.gov.sg to request for the sewer/manhole ID if it is

not shown in the copy of the SIP purchased earlier from CBPU]

7.4 In general, all developments shall be connected to public sewer, where available. For re-development, existingconnection to public sewer shall be re-used, where it is technically feasible to do so. QP shall carry out CCTV inspection of the existing connection to public sewer and submit a report to PUB to confirm that the connection to public sewer is in aserviceable condition. If the connection to public sewer is defective, the QP shall either abandon/seal/repair/replace the

existing defective connection or provide a new connection to public sewer. QP shall also verify on site as to whether there isany existing connection to public sewer from neighbouring premises passing through the development site.

7.5 Where the existing sewer is located within neighbouring lot and a new sewer connection is proposed to serve the re-development site, the existing sewer connection shall not be sealed or abandoned till the new sewer connection is completedand passed for use. Written permission from the owner of the neighbouring lot and clearance from CBPU shall be obtainedbefore the commencement of work on the new sewer connection.

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(i) MRT above ground track The development site is adjacent to a MRT track. The required building setback between the proposedresidential building and the MRT track is as follows:

Orientation of Building Building Setback Fronting 35m

End-wall facing track 25m

The setback could be utilised for non-noise sensitive structures such as car parks, electrical substation, bin centre,recreational facilities, etc

(ii) Public sewer / sewage pumping main / DTSSa)  Please refer to the Sewerage Interpretation Plan for the information on the existing sewagereticulation system in the vicinity of the subject development site. There is an existing sewer / sewagepumping main / Deep Tunnel Sewerage System (DTSS) within/adjacent to the development site. No building / structures shall be sited over or close to the public sewer/ sewage pumping main / DTSS. Thebuilding/structure setback from sewers, link sewers & Deep Tunnels (DTSS) are specified in the “Informationon Sewerage and Sanitary Works”, which can be viewed in the PUB website athttp://www.pub.gov.sg/general/usedwater/SewerageandSanitaryWorks/Pages/SewerProtectionZone.aspx

b)  All existing and proposed sewers & sewer connection for the proposed development shall be shownon the DC plan. QP shall take note of the below guidelines and is advised to make pre-consultation with PUBconcerning proposed sewers & sewer connections before submitting the DC plan to CBPU for approval.

c)  For single development on land parcels to be comprised in a strata title plan such as cluster housingor condominium /apartment or commercial/industrial complex, the sanitary drainline connection for thedevelopment shall be made to the nearest public sewer. More than one sewer connection point may beallowed for large developments.

d)  For landed development involving single unit housing such as detached, semi-detached or terracedhouse/shop/factory on lots or subdivided lots, every lot in the development shall be separately connected tothe existing or new sewer directly via individual sanitary drainline. New sewers to serve more than one lot

eg. terrace houses, shall be located within the existing or proposed road reserve.

(iii) Drainage Reserve/Common Drain / MPL / Basement / underground linkage to MRT station or groundlinkage to developments having underground linkage to MRT stationa)  The proposed development shall be raised to the MPL for effectual drainage. The MPL and crestlevel for basements (if any), MRT station / underground linkage to another development having undergroundlinkage to the MRT station shall be complied with and clearly shown on the DC plans.

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9.2 Control of Land Pollution and Remediation of Contaminated SitesWhen a site that is used for pollutive activities (as stipulated in Appendix 21 of the Code of Practice on Pollution

Control) is to be re-developed, re-zoned or re-used for a non-pollutive activity, a site assessment study shall be carried out toassess the extent of land contamination. If the study confirms that the site is contaminated, the contaminated site shall becleaned up to the acceptable standards as stipulated at Clause 7.3 of the code of practice. The QP shall submit the siteassessment study report together with the recommended measures to clean up the contaminated site to CBPU for clearance

prior to commencement of work on site or prior to URA application for provisional permission for the development,whichever is earlier.

9.3 QP shall consult CBPU on these technical requirements and seek waivers if required upfront.

10 Construction Site Noise ControlQualified Person shall examine/assess the expected noise levels during the construction stage and require the

contractor to implement necessary noise abatement measures to ensure compliance with the noise limits stipulated under theEnvironmental Protection and Management (Control of Noise at Construction Sites) Regulations.

11 Centralised Air-conditioning or Mechanical Ventilation Systems and Cooling TowersThe noise emission from the centralized air-conditioning or mechanical ventilation equipment shall comply with the

noise limits stipulated in the "Guidelines on Boundary Noise Limits for Centralized Air-Conditioning and VentilationSystems in Non-Industrial Buildings" (posted at CBPU website address http://app2.nea.gov.sg/env_plan_cbpu.aspx). Prior toTOP application, QP shall pre-consult CBPU on the locations where the noise measurements will be carried out and submitthe noise report to confirm compliance with the noise limits stipulated in the abovementioned guidelines. The QP shallimplement all necessary noise abatement measures to ensure compliance of the noise emissions with the limits.

12 Fuel Burning EquipmentThe emission of flue gases from fuel burning equipment such as boilers and emergency generators would have

adverse impact. To minimise impact, the type of fuel used would have to be specified and a chimney of an approved heightwould have to be provided to ensure that the flue gases are dispersed safely into the atmosphere. The chimney required is atleast 3m above the roof level of the proposed development. QPs shall, therefore, consult and seek clearance from CBPU onthe installation of fuel burning equipment to serve the proposed development. In applying for the clearance, QPs shall indicatethe type of the fuel equipment used, the type of fuel used and its consumption rate, the location of the chimney and its

proposed height in relation to the roof level of the proposed development.

13 Industrial Allocation (IA) for industrial siteQP/Owner shall submit the IA application (form can be downloaded from the NEA website at the following address

http://www.nea.gov.sg/cms/pcd/form_ia.doc) to CBPU for clearance prior to DC application.

14 Whilst every endeavour is made to ensure that the information provided is updated and correct, the National

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