The rope runs smoothly through the tube because of a construction at the lower end of the tube. It has as its goal to show in a clear and detailed manner the essentials of each component of this useful hand pump. The rope pump concept this document contains a general guide for local rope pump manufacture. Regularly spaced washers are fixed on the rope approx. Until recently, using a lifting davit and winch with the wire rope attached to the pump meant that the lifting davit had to remain in position. A pump is a device that moves fluids liquids or gases, or sometimes slurries, by mechanical action. It has 86 pages and contains detailed instructions. The rope pump or rope and washer pump is a lift handpump. Required tools required materials wood saw wood rasp pvc pipes 2 diameters galvanised plate.
It is expected that the material contained in this manual will, if used to the fullest extent, assist in reaching this goal. Place on a solid surface or suspend the pump with a lifting ropechain. Instruction books almost always come in the wrong language and contain. Well pump safety rope, polypropylene 38 northern arizona. The construction of the wooden rope pump this is an example of how a wooden rope pump can be built. Simultaneously to the construction of the prototype, a matlab code was developed to predict output flow, given values of various variables. Separate annexes have been made to cover the installation of the extra strong rope pump on drilled wells and. Implementation handpump technology rural water supply network. The rgl is the only person at a rope rescue incident who can initiate motion of the rope system or restart the rope system if stopped or reset. Pump liquid should not exceed a maximum temperature of 104f. The quality of the locally produced pumps is an additional aspect that needs to be looked at carefully. How to make a ropeandwasher pump robert lambert a practical manual demonstrating how common materials can be used to make a basic pump for smallholding and garden use. Construction manual shipo model, connect international. Practica foundation rope pump manual ethiopia, march 2006etc energy jica 1.
The design of the ropeandwasher pump sometimes also referred to as a chain pump described in the manual evolved from experience in tanzania, zambia and zimbabwe. These items should be a high priority and performed as soon as practical. This type uses a rotating impeller to draw water into the pump and pressurize the discharge flow. Now some 3,000 pumps serve 950,000 people and some 95% of the pumps are working. It is made from lowprecision parts, making it cheaper, more reliable and easier to repair than piston pumps. Rope pump production manual, produced by practica and etc foundation.
A translation of the dutch manual composed by the wot see. The main difference with other rope pump models is the solid round concrete structure around the pump, to protect the well and to avoid splashing and recontamination. We offer efficient, operationally safe, lownoise pumps for your processes and this manual shall help you to make the right choice. It allows you to pull in a rope, yet with mild effort, you can resist very large forces that are attempting to pull the rope back out. This 38 diameter poly rope is recommended for submersible pumps over 200 foot depth. The difference lies on one hand in the principle of transpor.
The rope pump is a handoperated, lowcost tool for accessing water when the water table depth is out of reach of suction pumps up to 35m. A thin water film between the piston and the tube wall takes care of the greasing and also contributes to the closing between the piston and the tube. By consequence, the user pro le, water delivery requirements and user expectations may be substantially di erent. In addition to the current manual, the programme prepared manuals of the extrastrong rope pump and the communitywall rope pump. A photo manual for rope pump construction was used, although changes were made as necessary to allow for easier construction, given available materials. Interlocking type steel sheet pile is used and can use for excavation up to 15m. The book provides guidance on assembly, operation and maintenance, and gives. While it is aimed at the community mobilizer, engineers and technicians may find it amusing. How to make a rope and washer pump workshop equipment manual lambert, robert on. Literature, manuals, drawings and partial views are available on the. The family rope pump is the basis of the commercial success of the rope pump. Reflecting on 35 years of collective training and experience in rope rescue and rope access, it has turned into a definitive collection of techniques and information for professionals. The rope pump has a relative lightweight construction and is made of. The first step on the way to the optimal pump is the selection between a centrifugal pump or a positive displacement pump.
Pdf rope pump modifications to reach greater depths. How to make a rope and washer pump workshop equipment manual. Pdf the rope pump an example of technology transfer. The construction manual is intended as a reference book.
Implementation handpump technology rural water supply. Learn how to make one but learn also about success and failures. Use of cofferdam suitable for excavation of larger scale can be of. Separate annexes have been made to cover the installation of the extra strong rope pump. The depth adjustable rope pump uses an adjustable pipe system to solve these problems. The construction of the rope pump has been extensively described by the. The pump consists of a pipe which guides a rope at which pistons are attached. A rope pump model called the elephant pump was introduced by the organisation pump aid in 1990. Rope pump manual, ethiopia practica foundation yumpu.
Rope pump can be installed on boreholes as small as 2 56 mm inside. The rope pump, now popular in central america, has several advantages and drawbacks. The pistons are attached to the rope and fit into the pipe by a small tolerance between 0. Rope pump installation checklist for quality control. A rope and washer pump is a type of progressive cavity hand pump. The rope pump should be sold directly to the users. How to make a rope and washer pump workshop equipment. Pumps can be classified into three major groups according to the method they use to move the fluid. Although the pole model is cheaper than the framed models, the construction is less stable which may result in reduced durability.
In 1976 demotech started working on the idea of the rope pump. A rope pump is a type of pump of which the main or most visible component is a continuous piece of rope, in which the rope is integral in raising water from a well. No matter how simple the mechanism looks like and how easy and cheap production processes are, the. The exact construction process can be found within the how to make section of. By the end of 2009 more than 4 million people in 20 countries worldwide were using rope pumps for domestic and irrigation water.
Only generic features of the rope pump concept are explained and hints for successful pump production are given. The pump may sink, preventing water from reaching the impeller. This manual shows how to make a simple, cheap pump suitable for irrigating small plots such as gardens up to 0. Construction and m aterials may be contacted for further guidance as necessary.
Submersible safety rope provides protection of expensive submersible pumps against fitting or pipe failure. With the earths population still rising, the need for a sustainable way to bring higher quality water to the worlds population is. Apart from trying to improve the concept and the construction details, we tried to improve. Although the manual primarily deals with a model intended for use with unlined open wells, a modified version suitable for deeper up to 4 metres vertical lined wells is also described. Purpose of this manual this manual is intended as a working guide for training workers and supervisors in the fundamentals of safe rigging and hoisting. B2 construction of the top works checklist to be checked during construction. The pvc reducing couple fitting is used to accurately guide the rope and pistons into the. Update and translation of the rota sludge and rope pump manuals based on user feedback from the field this work is an addition to the toolkit development for the professionalization of manual drilling in africa. Dimensions given in this description are only guidelines, and should be adjusted depending on the local circumstances and available materials. The riser pipe is placed in the ground water in the well and the top is at least one meter above the ground level. The design of the rope andwasher pump sometimes also referred to as a chain pump described in the manual evolved from experience in tanzania, zambia and zimbabwe. There are many pieces of heavy equipment models on the market that need equipment manuals to run correctly. This manual is applicable as well for the extra strong rope pump to be used on community wells and in cases when an intensive use of the pump is expected. Uniform administration and inspection of construction projects and a standard system for documentation are of prime importance.
The rope pump cannot pump higher than the height of the wheel. In addition to the current manual, the programme prepared manuals of the family well rope pump and the community well rope pump. Oct 14, 2019 this manual provides department construction engineering personnel instruction for fulfilling the objectives, procedures, and methods for construction administration of washington state transportation projects. Show all atlas copco construction equipment manuals control systems. At the upper end the rope runs over a wheel which pulls the rope through the tube. Rope pump manual, ethiopia programme solidarite eau. This manual of technical drawings is part of the rope pump technology transference programme. The discussion here is focused on how these can illustrate the empowerment approach for low income communities. This site has information on rope pumps, a technology that can be produced in any country with local materials and local skills. The information covers not only ropes and knots but hoisting equipment from cranes to chainfalls and rigging hardware from rope clips to spreader beams. This manual provides department construction engineering personnel instruction for fulfilling the objectives, procedures, and methods for construction administration of washington state transportation projects. Different in design and application they each basically serve the same purpose, which is to move water from point a to point b. Standard centrifugal pumps provide an economical choice for general purpose dewatering.
These equipment manuals provide a view of the equipment that is hard to get in any other way. At first glance, it appears that many small local workshops can easily produce the rope pump. The rope pump has a relative lightweight construction andis made of local obtainable. How to repair common problems throughout the world, the ability to obtain adequate quality water is becoming a greater problem. As with a suction pump, in its manual form it relies on an operator to pump a handle. This pump type works with a loop of rope, which is pulled through a plastic riser pipe. This serialnumber will refer to the logbook of the workshop. It addresses a readership interested in this appropriate technology for water lifting who considers introducing the rope pump locally. It has as its goal to show in a clear and detailed manner the essentials of each component ofthis useful hand pump. Update and translation of the rota sludge and rope pump manuals based on user feedback from the field this work is an addition to the toolkit development for the professionalization of. If water outlet needs to be higher, an additional wheel is needed on a post.
A number of different sizes are available but the most common model offerings are in the 2 to 4inch range with flows from 142 to 500 gallons per minute gpm and heads in the range of 90 to 115 feet. An analysis of the wind rope pump system 3 the wind rope pump is much more complex and costly than the handpump. Ensures that all rope systems have been safety checked by the technical safety officer and rigging team leader prior to operation. Pdf design, construction and evaluation of a multipiston pump. The wire rope dead end is equipped with a swaged ball fitting. The construction manual can be downloaded in pdf format and printed without. The resident engineer should record and compute pay quantities in accordance with the procedures contained in the records and reports section of the construction manual. The derivation of the capstan equation is very straightforward and also is used to obtain the breaking torque that can be obtained when a capstan is applied as a band break. With the earths population still rising, the need for a sustainable way to bring higher quality water to the worlds population is essential.
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