concept EIA-rapport - Staatsolie

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SRK Consulting: Project No: 439414 Staatsolie Pipeline EIA – Draft EIA Report Page 80 Construction phase mitigation measures Aspect ID Mitigation measure / Procedure Responsible Implementation timeframe Monitoring methods Performance indicators 27. • Limit construction activities near the river to the dry season, if possible. 28. • Avoid any discharge of effluents or polluted water into the river or canals. • Contain contaminated stormwater runoff and all wastewater generated from construction areas and treat prior to discharge as far as practicable. • Motivation for construction during wet season • Indication of runoff into water bodies • Indication of pollution of / discharge into water bodies • Presence of stormwater containment 29. • Avoid washing of vehicles and machinery near the river or canals. • Dedicated wash place HDD 30. • Ensure that drill entry / exit pits are bunded to prevent stormwater from entering the pits and to retain all drilling mud within the pits, preventing leakage into the surrounding area / the Suriname River. 31. • Keep spill response equipment on site at a readily accessible location and in good working order. 32. • Closely monitor drilling pressures and penetration rates. Ensure that mud pressure is optimal to penetrate the formation. • Monitor drilling at shallow depth particularly carefully, e.g. close the drill entry and exit points. 33. • Visually monitor the areas around the drilling site for signs of drilling mud leakage, especially while drilling shallower sections near the entry / exit points. 34. • Compare the estimated and actual volume of drilling mud returns, to detect escaping mud. 35. • Cease drilling operations if returns of drilling mud decrease or if a surface release of drilling mud is detected, to determine what actions need to be taken, in line with stipulations in the EMMP and the spill response plan. 36. • Identify the location of a frac-out over several hours to determine if the drilling mud congeals (bentonite will usually harden, effectively sealing the frac-out location). 37. • Draft a spill response plan that lays out steps to be followed in the event of spills and frac-outs and contact details of personnel qualified to deal with such situation. • HDD contractor • Throughout drilling operations • Record of monitoring and incidences • Visually inspect drill entry and exit sites and areas along the drill path • Check availability of spill response plan • Indication of runoff into water bodies • Number of incidents • Number of work stoppages • Cost of cleaning up spills • Designated monitoring person • Compliance with international standards REUT/DALC 439414_StaatsoliePipelineEIA_Draft EIA Report_Final June 2012
SRK Consulting: Project No: 439414 Staatsolie Pipeline EIA – Draft EIA Report Page 81 Construction phase mitigation measures Aspect ID Mitigation measure / Procedure Responsible Implementation timeframe Monitoring methods Performance indicators Noise and air emissions Waste management 38. • Consider staggering the planned release of the surplus drilling mud over time, and at different locations, preferably in fast-flowing conditions and deeper river sections to aid the rapid dispersion of the bentonite. • Monitor first release of drilling mud and evaluate observations regarding dispersion rate and any observable impacts on aquatic life to improve subsequent release methods. • If significant impacts on aquatic life become apparent, identify alternative methods of drilling mud disposal. 39. • Consider disposing of at least some surplus drilling mud on land. 40. • Continuously monitor the position of the drill head relative to river side structures. • Stop operations and realign drill path if it gets too close to piles. 41. • Investigate requirements to allow for the compensation of businesses if they are affected by damage to their jetties as a result of driling. 42. • Limit the use of heavy machinery and construction activities associated with high noise levels to 07h00 to 19h00 from Mondays to Saturdays, particularly where residential areas or sensitive institutions are situated close to the road. • Notify any nearby residents if construction work is planned outside of those times. 43. • Reduce airborne dust at construction sites through e.g.: - Damping dust-generating areas with freshwater; - Use of cloth or brush-barrier fences; and - Covering dumps or stockpiles of lose material with plastic sheeting or netting, especially during windy conditions. • Apply appropriate measures to suppress dust generated by construction vehicles on dirt roads that service the construction sites. 44. • Maintain all generators, vehicles, vessels and other equipment in good working order to minimise exhaust fumes and excess noise. 45. • If complaints regarding noise are received from residents, consider installing partial screening around the noisiest activities and/or mufflers on noisy equipment. 46. • Develop a waste management plan or implement the waste management plan applied to the entire Refinery Expansion Project. 47. • Aim to minimise waste through reducing and re-using (packaging) material. • All contractors operating machinery • Before and at each planned release of surplus drilling mud • Throughout drilling operations • Discussion of planned release with Staatsolie project manager • Keep written and photographic record of each release • Record of incidences and any compensation • Throughout construction • Visual assessment of dust plumes • Random machinery checks • Staatsolie • Before site establishment • Availability of plan • All contractors • Throughout construction • Visual inspection of waste collection and disposal • Extent of silt plume in river • Rate of dispersion • Smothered animals or plants • Number of registered complaints • Number of days that dust plumes are visible • Visibility of dust coming off construction site • Dust mitigation measures in place • Presence of litter REUT/DALC 439414_StaatsoliePipelineEIA_Draft EIA Report_Final June 2012
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