To assist the Agency in these very vital and important functions, it is proposed to engage a contractor or contractors and the work will include, but not be necessarily limited to the following:

(1) Establishment of the final configuration of all stations on the system. (2) Basic field control surveys.

(3) Preparation of final base mapping from field survey data.

(4) Considering items (1) through (3) above, establishment of final calculated alinement and profile for entire system.

(5) Preparation and dissemination of standard designs and drawings for typical details of construction such as cut and cover and tunnel sections, retaining walls, aerial structures, portals, track, piles, pavements, platforms, drainage details, cut and embankment sections, waterproofing, etc.

(6) Preparation and promulgation of standard design criteria including such items as loadings, allowable stresses for the various materials of construction, clearances and other design requirements. Revision and extension of any of the items as required.

(7) Establishment, revision, and redefinition of the overall construction schedule as required.

(8) Assistance in the establishment of the final soils exploration program. (9) Assistance in the establishment of final construction contract limits and methods of construction.

(10) Preparation of standard construction specifications for inclusion in the various construction contracts.

(11) Coordination of the preparation of special provisions and other elements of construction contract documents as submitted by the design engineers.

(12) Preparation of standard field reporting forms and procedures. (13) The preparation of progress reports at suitable intervals.

Immediately upon approval of the additional funds, the Agency will proceed with the negotiation of the initial contract or contracts to become effective between October 15, 1965, and November 1, 1965. Assignments under the contract must begin within this time phase in order that the first series of final design contracts may be entered into during the final quarter of fiscal year 1966.

The amount requested under this item is expected to cover obligations through this fiscal year. Similar work under these or amended contracts is expected to extend until the final quarter of fiscal year 1967, at which time, development of standards, standard construction specifications, and field supervision procedures, together with the completion of final design on the initial segments, will permit advertising of the first construction contracts.

Final design projects, $2,950,000

The Agency's plan provides for awarding of final design contracts on six selected projects during the fourth quarter of fiscal year 1966. The projects consist of a segment of the Benning route including three stations and a segment of the Connecticut Avenue route including two stations. These projects have been selected as the first to go into final design for several reasons: First, this section is an essential part of the downtown distributor segment of the system. The legislation creating the National Capital Transportation Agency provided that special consideration should be given to the dispersal of passengers from the Union Station. The segments selected for the earliest final design would accomplish this purpose. Second, one of the stations-the station near the Capitol— will require special coordination with the Architect of the Capitol and poses problems of particular complexity.

The six projects and the target dates for awarding final design contracts are: 1. Capitol station, May 1, 1966.-This contract will cover the final design of the Capitol station, which represents problems of extraordinary coordination effort. Expected duration of design contract, 18 months.

2. Judiciary Square station, April 1, 1966.-This contract will cover the final design of that section of subway extending from the Capitol station to and including the Judiciary Square station. Two short pieces of the B. & O. route which merge with the Benning route in this segment are included. Expected duration of design contract, 1 year.

3. 8th and G station, May 1, 1966.-This contract will cover the final design of that section of the Benning route extending from the west end of the Judiciary Square station in the vicinity of 5th Street NW. to 9th Street NW. This segment includes the 8th and G station. Expected duration of contract, 1 year.

4. 12th and G station, April 1, 1966.-This project consists of the final design of that portion of the downtown distributor between 9th Street NW. and La

fayette Square including the station at 12th and G Streets.

of contract, 14 months.

Expected duration

5. Connecticut and K station, April 15, 1966.-This contract will cover the final design of that portion of the Connecticut Avenue route extending from Lafayette Square to and including the station in Connecticut Avenue north of K Street. Expected duration of contract, 14 months.

6. Cut and cover construction, Connecticut Avenue, April 15, 1966. This contract will cover the final design of approximately 1,100 feet of subway extending north from the K Street station to N Street NW. Expected duration of contract, 9 months.

The estimate of $2,950,000 for these six projects has been computed on the basis of approximately 5 percent of the preliminary engineering estimate of the construction cost plus a 10-percent contingency allowance. The estimate for the Capitol station was increased to provide for the prospect of requirements for numerous alternative preliminary designs.

Development projects, vehicle and wayside equipment, $550,000

Since 1962, the Agency has conducted research programs resulting in the establishment of functional requirements for the proposed vehicle, associated equipment, and related wayside facilities. Tentative dimensions and performance characteristics have been established for the cars and general requirements have been formulated for supporting way facilities.

The present program contemplates adopting the latest advances in technology to specific Washington requirements. Emphasis during fiscal year 1966 will be on specific hardware with a view to determining dimensions, space requirements, capacities, performance, and other parameters within very narrow limits so that final design of the structures and equipment can proceed on schedule. Engineering staffs of the various systems manufacturers and suppliers can be expected to make substantial contributions to the work to be performed under the proposed contracts.

Recent development efforts by manufacturers and operating properties, as well as the current test program being conducted by the San Francisco Bay Area Rapid Transit District with the aid of funds administered by the Housing and Home Finance Agency, may be expected to provide valuable information for this Agency's program. Maximum use will be made of all existing programs of

this nature.

Car development projects

Car body development.-The final configuration and design of the car body will be developed with special consideration given to making the car both attractive and practical. Seating arrangements and interior trim will be tested. This contract will extend from October 1, 1965, through December 1966.

Air conditioning and heating.-Design parameters for environmental control will be selected to meet the extremes of the local climate and types of equipment finalized. This work would commence approximately October 1, 1965, and be completed in 16 months.

This

Underframe and draft gear. This project will undertake to define the type, size, and location of equipment involving the car body and underframe. work will be done in close correlation with item (1) and will run for approximately 1 year starting February 1, 1966.

Propulsion system and trucks. Work to be performed under this contract will consist of matching modern motors, trucks, motor controls, and braking to the alinement, profile, station spacing, heat dissipating capabilities, and operating standards of the proposed system. This work will commence in October 1965 and continue for approximately 16 months.

(5) Car shop equipment.--The purpose of this contract is to aid the Agency in determining the shop layout and types of maintenance and overhaul equipment best suited to the requirements of the proposed vehicle and operating pattern with a view to minimizing operating and maintenance costs. This work will commence in November 1965, and run for approximately 13 months.

Wayside equipment development projects

(1) Track support methods. An analysis will be made of the various modernly proposed track structures to aid the Agency in selecting the type most suitable for a safe, comfortable, stable, and economical track bed for the conditions in this area. This work is expected to begin in October 1965, and extend for 5 months.

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(2) Yard layouts.-This project is intended to determine the optimum yard layout arrangements, including switching system, to meet the operating standards proposed by the Agency for rapid and reliable availability of trains. work will commence March 1, 1966, and extend for 4 months.

This

(3) Substation requirements.-This investigation, to be undertaken between October 1965 and July 1966, will be conducted to finalize locations for the propulsion substations, optimum propulsion voltage, and space requirements.

(4) Power distribution system. This project, to be scheduled concurrently with item (3), will include calculations of conductor lengths and sizes for third rail and negative rail feeders. Requirements for sizes of ducts or other supports for the conductors together with necessary feeder breaks and switching of the distribution systems will be determined so that the level of operating standards of the Agency can be met.

(5) Train control system.-Test programs for proposed train control systems will be reviewed and analyzed so that a system adaptable to the requirements of the Agency's standard of operation will be assured. Equipment housings which will best fit in with the car design will be studied along with "plug-in" features which would permit maximum utilization of equipment. Approximately 1 year, commencing in October 1965, would be spent on this project.

(6) Communications system.-A system to permit constant two-way communications between employees on trains and platforms and the control center is to be provided. This arrangement will also permit announcements to riders by employees at the head end of trains and the control center by means of loudspeakers in each car. A study will be made of available systems to provide an installation having loudspeakers with the best fidelity of voice reproduction, reliability of service, and freedom from background noise due to electrical interference from the propulsion and other electrical systems. The scope will include train destination sign control on platforms. This program will occupy the final 6 months of fiscal year 1966.

(7) Fare collection system.-The Agency proposes to review the various methods and equipment for fare collection to the end that the system used will represent the latest and most efficient available.

Soils investigations and testing, $600,000

As a basis for its recommendations for the system recommended in 1962, the Agency considered all available data concerning subsurface conditions along the proposed routes. Sufficient soil borings were made to establish the proposed construction techniques and the preliminary cost estimates.

In its preliminary engineering work, the Agency utilized an independent contractor to investigate subsurface conditions throughout the National Capital region. These studies included the review of data assembled from soil borings and analyses conducted in connection with other public works and private construction projects.

In addition, the contractor made a series of borings related specifically to portions of the system recommended by the Agency. The contract was performed by the firm of Dames & Moore, of New York, an established, widely respected organization of earth science specialists with extensive experience in soils analysis work throughout the United States and in other countries.

The firm indicated that the soil problems in Washington are no more complex than those encountered in the construction of subways and tunnels in New York City and other cities. This preliminary soils study was performed in 1962-63 at a contract cost of approximately $118,000.

The Agency now proposes to proceed with a final series of tests including supplemental holes for drawdown and blowout tests, chemical stabilization tests, large diameter holes for field observations of the various strata and appropriate laboratory analyses.

Work in soils investigation and testing will be necessary throughout the first 5 years of the program in phase with the design effort.

The estimate of $600,000 for fiscal year 1966 will cover the first contract or phase of this work to begin in October or November 1965 and extend to mid-fiscal year 1967.

Joint projects and reimbursements to other agencies, $100,000

There are a number of major street and highway construction projects under design in the region which have an effect on the transit development program. The Agency has been working with these groups and the transit plan will benefit by appropriate reimbursements to the agencies for redesign of necessary substructure elements and incremental construction charges attributable to the redesign. Current projects in which the Agency is interested are: