0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 PU 225 V PU 225 VC F PU 375 CO C PU 375 CO C PU 450 BR S PU 450 BR S PU 150 VC C PU 150 VC C IL 6.025 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 S10 S8 450 SW Sewer @ 1/?? Building Ridge level = 17.21 Eaves level = 14.08 Building Ridge level = 17.05 Eaves level = 13.41 Building Ridge level = 13.82 Eaves level = 12.67 Building Ridge level = 17.53 Eaves level = 15.17 Building Ridge level = 16.49 Eaves level = 14.46 Building Ridge level = 19.30 Eaves level = 16.01 S11 ([LVWLQJ 6HZHU WR EH diverted into carriageway 225 Highway Drain @ 1/?? CL = 9.301 CL = 9.435 CL = 9.402 CL = 9.073 )ORRG UHOLHI SLSH S3 S5 S6 Highway Drain @ 1/80 Highway Drain @ 1/80 Highway Drain @ 1/150 S7 Highway Drain @ 1/150 CL = 9.373 IL = 8.016 CL = 9.434 IL = 8.140 CL = 10.058 IL = 7.808 IL = 7.733 CL = 10.275 IL = 8.813 S4 CL = 9.947 IL = 8.108 S0 Flow Control Manhole 3L/s (1.3m head) CL = 9.000 IL = 6.454 e-mail: [email protected] Tel 0113 200 8904 0113 270 1199 www.metengineers.com Southgate House Pontefract Road Stourton, Leeds West Yorkshire LS10 1SW Met Engineers Ltd Ch'k'd Description Drawn Date Rev Client Project Title Drawn Date Checked Date Scale Status Original Size Drawing No Rev Persimmon Homes Fulford, York (All Phases) Drainage Layout Entrance/Spine Road PH Nov 2012 ATK Nov 2012 1:250 A0 11644/5007-381 F 1. Do not scale dimensions from this drawing in either paper or electronic format. 2. To be read in conjunction with all relevant Engineer's, Architect's and Other drawings and specifications. 3. All building products to be used in strict accordance with the manufacturer's recommendations. 4. Any discrepancies are to be reported to the Engineer immediately. 5. Main Contractor to provide a detailed method statement for all works prior to commencement on site. ATK Existing gullys Fordlands Road TC 04.12.12 A South notes amended. ATK Highway drain added to A19 PH 13.02.14 B based on CC comments. ATK ([LVWLQJ VHZHU GLYHUWHG PH 28.02.14 C Cover and Invert levels added. ATK Tideflex valve / headwall details PH 22.07.14 D added. ATK Flood Relief Pipes and notes TC 06.11.14 E amended. Highway Drainage amended. ATK Flood Relief valves ommitted TC 02.12.14 F Notes added Groundwork's - Uncovering existing services - Electricution/exposion (Risk-Mod) Design Risk Hazard/Risk # Obtain Statutory undertakers service record plans, verify formal disconnection of services with individual Undertakers, carry out CAT scan and hand dug trial holes to locate. The use of Banks Man when Excavating with machinery. (Risk- Low) Mitigation / Residual Risk 1. Placing and shaping concrete - (Compaction of concrete surround to MH Chambers, Placing/shaping of benching to MH's, Compaction of Kerbrace and haunch - Cement burns or additive irritation (Risk-Mod) Training, Site induction, adequate PPE and Equipment (Risk- Low) 2. Lifting large diameter concrete pipe work and manhole chambers into position - Crushing of Operatives within excavations. (Risk-High) Operatives should not be present within excavations during lifting activities. Adequate supervision, site induction should reinforce risk (Risk- Low) 3. Excavating deep trenches - Site personnel falling into open excavations due to wall collapse (Risk-High) Loose material to be battered back to a safe angle, use of temporary work (Risk- Mod) 4. Pouring Concrete - Site personnel falling into deep excavations/deep wet concrete (Risk-High) Loose material battered back to a safe angle or consider temporary works. Stability to be assessed by site personnel. Appropriate pouring plant to be used to limit requirement for site staff to be in close proximity of excavation edge. Adequate fencing adjacent to the freshly poured concrete should be provided. (Risk- Mod) 5. Use of Excavation Plant and Machinery - Site personnel and members of the public being struck by plant resulting in injury. Damage to existing structures. (Risk-High) Training, Site Induction and appropriate PPE. (Risk- Mod) 6. Manhandling Materials - Injury to site personnel. (Risk-High) Training, Site Induction and appropriate PPE. (Risk- Mod) 7. Site Clearance - Contaminated land and Surface Hazards. (Risk-Mod) Refer to Remediation Statement for specific contamination remediation. Training, Site Induction and appropriate PPE. (Risk- Low) 8. 9. Construction of Site entrance - Danger to Public and Operatives during construction within public highway (Risk-High) Adequate supervision, site induction and traffic management (to incorporate safe working zones and protection to the public footpath) (Risk- Low) 10 Large areas of the Southern Flood meadow will fill with deep water during heavy prolonged periods of rainfall and will remain there for some considerable time (Risk-Med) Adequate supervision, site induction and site management (to incorporate safe working zones and protection of workforce and the public) (Risk- Low) 11 Existing 375mm Combined sewer diversion through the site at depths in excess of 5m. (Risk-High) Adequate supervision, site induction and appropriate PPE. Gas detector and confined space training required. (Risk- Low)