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Dr. MUMFORD. That is correct, Mr. Chairman.
Mr. ANDREWS. What is the next item?


Mr. HENLOCK. We require floor tile for two locations, both in the inex, requested under this heading in the amount of $4,000. Every ar there is an item somewhat of this nature, sometimes larger and metimes smaller, to replace tile floor covering that has worn out. Mr. ANDREWS. I assume that will be a recurring request ? Mr. HENLOCK. Yes, sir; however, for other areas. Mr. ANDREWS. What is the next item?

CEILING AND WALL DECORATIONS Mr. HENLOCK. The next item is to clean and restore ceiling and wall corations in the main building, $10,000. This item is requested to rmit the continuation of a program started in 1963, which has reIted in the effective cleaning and restoration of various decorated iling and wall areas, primarily in the west front of the main building

the ground, first and second floors. Funds provided in 1968 will mplete this work in the west-south and west-north corridors, ground

or, and those requested for 1969 would be used for other parts of the me floor. This is a continuation program.

IMPROVED LIGHTING Mr. ANDREWS. The next item is for improved lighting of the office eas in both buildings, $50,000. Mr. HENLOCK. Yes sir. We started a program in 1964 to improve e lighting in the offices and other areas in the two Library buildings.

date, you have given us $170,000 for that work. Much has been complished but the program is not completed and we are asking for 0,000 for 1969. To complete the program, we will have to ask for

same amount in the fiscal years 1970 and 1971. That is a program that has been under the general direction of Mr. ibel, if any further description of the work is desired. Mr. ANDREWS. You say to date we have given you $170,000 for the proved lighting of the office areas of both buildings? \r. HENLOCK. Yes sir. Mr. ANDREWS. And you are asking for $50,000 now? Mr. HENLOCK. Yes sir. Mr. ANDREWS. That will be a total of $220,000 if the request is inted ? Mr. HENLOCK. Yes sir. Vr. ANDREWS. And how much will it take to complete the project?

Ir. HENLOCK. Another $100,000, which would be spread over the lowing 2 fiscal years.

CROWDED CONDITIONS IN LIBRARY Vr. ANDREWS. Are there any questions about this item? Mr. YATES. Tell me about the corridors on the third floor of the brary of Congress. Are they still cluttered with offices?

whereby we have purchased the required replacement parts ourselves and installed them with our own Power Plant personnel, under the supervision of a representative of the manufacturer of the stokers. instead of doing all the work by contract, we were able to reduce the total replacement cost, thereby effecting a $35,000 saving on the whole program.

Mr. ANDREWs. The committee will adjourn until tomorrow at 1 o'clock.

WEDNESDAY, APRIL 3, 1968. Mr. ANDREWS. The committee will come to order.



1967 actual

1968 estimate

1969 estinate

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Program by'activities:
10 Expansion of steam generating and refrigeration facilities at the

Capitol Power Plant and modification, expansion, and im-
provement of the steam and chilled water distribution systems

served by the plant (obligations) (object class 25.1)..Financing:

Unobligated balance available, start of year: 21.40 Appropriation... 21.49 Contract authorization

Unobligated balance available, end of year: 24.40 Appropriation......

Contract authorization..

New obligational authority.....

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On page 97 of the committee print there appears a nonrecurring item of $250,000 from last year's bill for continuing the program of erpanding the Capitol Power Plant facilities. I believe $135,000 of that was subsequently, in the supplemental bill in December, transferred for emergency repair work on the west-central part of the Capite'. That would have left you $115,000; is that correct ?

Mr. HENLOCK. Yes, sir.


Mr. ANDREWS. Looking at the bottom of the page, at the schedule of status of unfunded contract authorization, it is indicated that at the beginning of the coming fiscal year there will be an unfunded balance of $635,000. What does that mean or what does it represent?

Mr. HENLOCK. When the project was authorized by Public Law 85–895 on September 2, 1958, the authorized limit of cost for the project was fixed at $6.5 million, and that is what we expect the total work to cost. You have funded, to date, $5,865,000, so all that the $635,000 item represents is the balance that has not been appropriated under the Authorization Act and which we believe will be eventaully required to complete the program.

Mr. ANDREWS. Basically what is the work we are talking about? Mr. HENLOCK. Expansion of facilities at the Capitol Power Plant and its steam and refrigeration distribution systems, required by the expansion of buildings and structures and other additions on the Hill since 1958 and additional services required to serve them at the power plant.

Mr. ANDREWS. What particular work at the Power Plant?
Mr. HENLOCK. Mr. Rubel can tell you about that.
Mr. ANDREWS. Tell us briefly and expand on it in the record.

Mr. RUBEL. Generally, it included the procurement and installation of four refrigeration machines, associated pumping equipment, and cooling towers; the procurement and installation of four oil-fired boilers and associated fuel oil pumping and storage facilities; a new coal-handling installation with its associated coal car trackage; and numerous secondary items of work.

Mr. ANDREWS. Just general renovation and overhauling of the plant?

Mr. RUBEL. Installation of additional facilities, primarily attributable to the new demands for refrigeration and steam needed for coolng and heating the buildings on Capitol Hill, and for heating the Botanic Garden, Government Printing Office, and city post office.

Mr. ANDREWS. And the whole thing will cost how much? Mr. RUBEL. It will eventually cost $6.5 million. Mr. ANDREWS. And how much are you requesting be funded in the 969 bill? Mr. HENLOCK. Nothing Mr. ANDREWS. There would be an unfunded balance of $635,000? Mr. RUBEL. Yes, sir. Mr. ANDREWS. You are not ready for that? Mr. HENLOCK. No, sir; we do not have to ask for that appropriation is year. We probably will have to ask for it in the fiscal year 1970. At that time, six new construction projects were contemplated or in progress: The Rayburn House Office Building, the cafeteria in the courtyard of the Long. worth House Office Building, the garage in the courtyard of the Cannon House Office Building, the new Senate subway transportation system, the House subway transportation system, and extension of the east central front of the Capi. tol and other changes and improvements authorized under the extension of the Capitol project. There was also contemplated replacement of the 60-year-old heating system in the Main Library of Congress Building with a new heating and air-conditioning system. More recently, two underground garages were constructed for the House of Representatives. Most of these improvements have now been completed.

(Statement furnished for the record :) Public Law 85-895, 85th Congress, approved September 2, 1958, authorized

d directed the Architect of the Capitol, under the direction of the House Office pilding Commission, to effect changes, improvements, and expansion in the cilities of the Capitol Power Plant and its steam and chilled-water distribu

n systems, necessary to provide steam and chilled water for the Rayburn ►use Office Building and for other improvements and projects then underway

proposed, and authorized the appropriation of a total amount of $6,500,000 • such purpose.

In effecting the changes, improvements, and expansion in the Capitol Power Plant and its steam and chilled-water distribution systems, it has been neces sary to gear the same to the timetable under which the new projects have been accomplished. The Capitol Power Plant program has been geared accordingly and 85 percent of the work authorized by Public Law 85-895 has now been completed or placed under contract.

Improvements and changes effected, to date, have included the following: Two 1,100-ton refrigeration machines, complete with gea red drives and 1,250-horse power electric motors, and two 2,200-ton refrigeration machines, complete with geared drives and 2,500-horsepower electric motors, have been installed at the Capitol Power Plant's refrigeration plant. Installation of these four machines has increased the capacity of the refrigeration plant from a total of 8,800 tons to 15,400 tons.

As an adjunct to these installations, a three-cell cooling tower having a capacity equivalent to the condensing requirements of three 2,200-ton refrigeration machines was constructed on the Capitol Power Plant grounds.

An additional chilled-water pump of 9,800-gallons-per-minute capacity, having hydraulic characteristics identical with those of three existing chilled-water pumps, was installed at the plant. The four pumps now have a total pumping capacity of 39,200 gallons per minute at an imposed head of 245 feet of water

A dual piping system, consisting of one chilled-water supply main and one return main, was installed from the southeast corner of the Old Senate Office Building to the Senate terrace of the Capitol Building. This new section of chilled-water piping established a physical connection between previously sepa. rate east and west distribution systems, thus providing a complete loop circuit from and to the Capitol Power Plant. This loop circuit has made possible a suc cessful redistribution of the chilled-water supply to all buildings connected to the systema compelling requirement brought about by the construction of the Rayburn House Office Building.

A new railroad siding has been constructed on the Virginia Avenue side of the Capitol Power Plant grounds. The new track system is designed to accommodate storage for eight 70-ton coal cars, while eight additional cars of like capacity can be delivered to or removed from the plant grounds. This new siding has guhstantially expedited the coal-handling process and has eliminated the frequens car derailments and other hazards experienced with the old track system.

Four oil-fired steam generators, each having a capacity to produce 50.000 pounds of steam every hour, were installed at the plant. The addition of the oil-fired steam generators has increased the installed steam generating capacity of the Capitol Power Plant from 330,000 pounds per hour to 530,000 pounds per hour.

Oil storage faciilties, installed at the plant, include two 10,000-gallon under ground steel tanks connected by a concrete tunnel to an underground concrete storage tank with sufficient capacity to store 200,000 gallons of fuel oil.

The antiquated coal-handling system, placed in operation in 1910 and designed to alternately deliver coal from the storage yard or track hopper to the ara bunkers within the plant, was removed from service in the spring of 1965: was demolished, and replaced by a modern system of hoppers, inclined belt conren oil-fired car-thawing devices and a mechanical car shaker. The new systems capable of delivering variable quantities of coal up to approximately 200 tons maximum each hour from either a track hopper where coal is dumped from the cars, or from a coal-yard hopper in the storage yard; so that coal can nou love conveyed from the track hopper to the bunkers, from the track hopper to the storage yard, or from the storage yard to the bunkers through separate systees of inclined conveyor belts.

A contract was awarded in the fall of 1966 for accomplishing modifications and extensions to the portion of the west steam distribution system located under South Capitol Street, extending from Canal Street to Independence Avenue. Work under this contract was completed in December 1967.

A contract was awarded in March 1967 for the manufacture and delivery of a new water treatment plant, to be installed in the east side of the north boiler room under a contract yet to be awarded. Completion of this installation is scheduled for December 1968.

In addition to the contract for installation of the new water treatment plant, the principal improvements yet to be contracted are the modifications and extensions to the existing steam distribution systems authorized by Public Law 85– 95, including new steam service facilities and connections to the Capitol Buildng, via the west front grounds, and modifications to the piping systems serving the Government Printing Office and the City Post Office; also rehabilitation of the leteriorated cork insulation on the 24-inch pipes in the chilled water tunnel under South Capitol Street, and rehabilitation of the structural steel frames supporting he pipes in this tunnel. The rehabilitation of the cork insulation and rehabilitaion of the structural frames in the South Capitol Street tunnel will be completed in March 1969,

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Total personnel compensation.............
Personnel benefits..
Other services:

General annual repairs....
Annual painting..
Maintenance and repair, air-conditioning and refrigeration

Maintenance and repair, elevators..
Improved lighting, office areas, both buildings.
Equip part of bookstacks with map cases, annex
Clean and restore ceiling decorations, main building.....
Replacement of city water distribution system and sewer

and drainage systems serving the main and building grounds...

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