Collection System

a) detailed design tabulations - flow, size, velocities, etc; b) regulator or overflow design calculations;

c) detailed pump station calculations, including energy requirements;

d) special appurtenances;

e) stream crossings; and f) system map (report size).

1.4.2.1.6 Process Facilities

a) hydraulic and organic loadings - minimum, average, maximum and effect;

b) detailed calculations used to determine: - unit dimensions;

- rates and velocities;

- detentions;

- concentrations;

- recycle;

- removals, effluent concentrations, etc. Include a separate tabulation for each unit to handle solid and liquid fractions;

- energy requirement; - flexibility; and

c) chemical requirements and control.

1.4.2.1.7 Process Diagrams

a) process configuration, interconnecting piping, processing, flexibility, etc;

c) organic loading profile; d) solids control system; e) solids profile; and

f) flow diagram with capacities, etc. 1.4.2.1.8 Laboratory

a) physical and chemical tests and frequency to control process; b) time for testing;

c) space and equipment requirements; and

d) personnel requirements - number, type, qualifications, salaries, benefits (tabulate).

1.4.2.1.9 Operation and Maintenance

a) routine and special maintenance duties;

b) time requirements;

c) tools, equipment, vehicles, safety, etc;

d) personnel requirements - number, type, qualifications, salaries, benefits, (tabulate); and

e) maintenance work space and storage.

1.4.2.1.10 Office Space for Administrative Personnel and Records

1.4.2.1.11 Personnel Service - Locker Room and Lunch Room

1.4.2.1.12 Chemical Control

a) process needing chemical addition; b) chemicals and feed equipment; and

c) tabulation of amounts and unit and total costs.

1.4.2.1.13 Collection System Control

b) regulator and overflow inspection and repair;

c) flow gauging;

d) industrial sampling and surveillance;

e) regulation enforcement;

f) equipment requirements;

g) trouble-call investigation; and

h) personnel requirements - number, type, qualifications, salaries, benefits (tabulate).

1.4.2.1.14 Control Summary

a) personnel;

b) equipment;

c) chemicals;

d) utilities - list power requirements of major units; and

e) summation.

1.4.2.1.15 Support Data

a) outline unusual specifications, construction materials and construction methods;

b) maps, photographs, diagrams (report size); and

c) other.

1.4.2.1.16 Appendices

Related data not necessary to an immediate understanding of the design report should be placed in the appendices.

1.4.3 Plans

1.4.3.1 General

All plans for sewage work shall bear a suitable title showing the name of the municipality, sewer district, or institution; and shall show the scale in

appropriate units, the north point, date and the name of the engineer, his signature on an imprint of his registration seal.

The plans shall be clear and legible. They shall be drawn to scale which will permit all necessary information to be plainly shown. The size of the plans should be 570 x 817 mm (size A1 (21 x 33 in (size D)). Datum used should be indicated. Locations and logs of test borings, when made, shall be shown on the plans.

Detail plans shall consist of plan views, elevations, sections and supplementary views which, together with the specifications and general layouts, provide the working information for the contract and construction of the works. Include dimensions and geodetic elevations of structures, the location and outline form of equipment, location and size of piping, water levels and ground elevations.

1.4.3.2 Plans of Sewers

1.4.3.2.1 General Plans

A comprehensive plan of the existing and proposed sewers shall be submitted for projects involving new sewer systems or substantial additions to existing systems. This plan shall show the following:

a) Geographical Features

i) topography and elevations - existing or proposed streets and all streams or water surfaces shall be clearly shown. Contour lines at suitable intervals should be included;

ii) streams -the direction of flow in all streams and high and low water elevations of all water surfaces at sewer outlets and overflows shall be shown.

iii) boundaries - the boundary lines of the municipality, the sewer district or area to be sewered shall be shown.

b) Sewers

The plan shall show the location, size and direction of flow of all existing and proposed sanitary and combined sewers draining to the treatment works concerned.

c) Identify sensitive areas and potential environment issues.

1.4.3.2.2 Detail Plans

Detail plans shall be submitted. Profiles should have a horizontal scale of not more than 1:500 and a vertical scale of not more than 1:50. Plans and profiles shall show:

b) line of ground surface, size, material and type of pipe, length between manholes, invert and surface elevation at each manhole and grade of sewer between each two adjacent manholes. All manholes shall be numbered on the plan and correspondingly numbered on the profile. Where there is any question of the sewer being sufficiently deep to serve any residence, the elevation and location of the basement floor shall be plotted on the profile of the sewer which is to serve the house in question. The engineer shall state that all sewers are sufficiently deep to serve adjacent basements except where otherwise noted on the plans. c) locations of all special features such as inverted siphons, concrete

encasement, elevated sewers, etc;

d) all known existing structures both above and below ground which might interfere with the proposed construction, particularly water mains, gas mains, storm drains, etc.;

e) special detail drawings, made to a scale to clearly show the nature of the design, shall be furnished to show the following particulars:

(i) all stream crossings and sewer outlets, with elevations of the stream bed and of normal and extreme high and low water levels;

(ii) details of all special sewer joints and cross-sections; and (iii) details of all sewer appurtenances such as manholes,

lamp holes, inspection chambers, inverted siphons, regulators, tide gates and elevated sewers.

f) Details and plans of CSOs and treatment components according to the Regulatory Agency having jurisdiction.

1.4.3.3 Plans of Sewage Pumping Stations

1.4.3.3.1 Location Plan

A plan shall be submitted for projects involving construction or revision of pumping stations. This plan shall show the following:

a) the location and extent of the tributary area;

b) any municipal boundaries with the tributary area; and

c) the location of the pumping station and force main and pertinent elevations.