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18-Env-B5 Industrial & Hazardous Waste Management · May 2015

Question 9 of 18: Report Index and Data Requirements for a New Industry With No Existing Data

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

Notes on this paper

Reference texts: Nemerow & Dasgupta, Industrial and Hazardous Waste Treatment, 2nd ed.; Metcalf & Eddy, Wastewater Engineering: Treatment and Resource Recovery, 5th ed.; Davis & Cornwell, Introduction to Environmental Engineering, 6th ed.; LaGrega, Buckingham & Evans, Hazardous Waste Management, 2nd ed.; CCME, Guidelines for the Management of Biomedical Waste in Canada (1992); Canadian Environmental Protection Act (CEPA), 1999; Basel Convention on the Control of Transboundary Movements of Hazardous Wastes (1989); provincial hazardous waste regulations (e.g. BC's Environmental Management Act and Hazardous Waste Regulation).

Question 9: Report Index and Data Requirements for a New Industry With No Existing Data (10 marks)

Question text not reproduced: the examination questions are © Engineers and Geoscientists BC. Open the official past paper (linked at the top of this page) to read the question, then follow the worked solution below.

Because the plant does not yet exist, every input to this report has to come from a comparable-industry analogue or a published engineering estimate rather than a direct site measurement — the report index below is structured so that data acquisition (Section 3) is completed before the options it feeds (Sections 4–6) are evaluated.

  1. 1.0 Executive Summary. Summarizes the recommended waste management strategy and its basis, for a reader who will not read the full report.
  2. 2.0 Introduction and Project Description. Describes the proposed widget-manufacturing process, expected production rate, and the purpose and scope of this assignment.
  3. 3.0 Data Acquisition. Identifies and documents every input data category needed: (a) production data — process description, raw materials, expected production rate and operating schedule, drawn from the client's process design and vendor equipment specifications; (b) water-use estimates — process, cooling and wash-down water demand, from comparable manufacturing-process data; (c) expected wastewater characteristics — flow, BOD5/COD, SS, pH and any process-specific constituents, estimated from published unit-loading factors for a comparable industry (since no on-site survey is possible before start-up); (d) applicable regulatory limits — the municipal sewer-use bylaw or provincial direct-discharge permit requirements for this location and industry category; (e) site data — available land, topography, and access to sewer/receiving water, from the site plan.
  4. 4.0 Regulatory Framework. States the specific discharge limits the wastewater management strategy must meet, established in Section 3(d).
  5. 5.0 Waste Management Options. Evaluates the four basic options (Question 2) — municipal discharge with/without pretreatment, on-site treatment with direct discharge, in-process recovery/reuse, and off-site hauling — against the regulatory limit, estimated cost, and site constraints.
  6. 6.0 Recommended Strategy. Presents the selected option (or combination), its preliminary sizing basis, and how it is expected to meet the applicable limit.
  7. 7.0 Cost Estimate. Presents the estimated capital and annual operating and maintenance cost of the recommended strategy.
  8. 8.0 Data Gaps and Recommended Follow-Up. Identifies which assumed inputs should be confirmed by an in-plant waste survey (Question 5) once the plant is operating, since every pre-construction estimate carries this uncertainty.
  9. 9.0 Conclusions and Recommendations. States the final recommendation and any conditions attached to it.