KENYA NATIONAL WORKSHOP AGREEMENT  KS 2409 -1: 201 8 
ICS13.030.30; 13.340.50  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Health care wastes management 
commodities  
 
Part 1:  
 
Heavy duty boots — Specification  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
PUBLIC REVIEW   First Edition 201 8 
 
 
KENYA BUREAU OF STANDARDS  
 KS 2409 -1: 201 8 
 
ii  © KEBS 2018 — All rights reserved   
NATIONAL WORKSHOP REPRESENTATION  
 
The following organizatio ns were represented on the National Workshop Agreement Meeting:  
 
City Council of Nairobi  
Coast Provincial General Hospital  
Nursing Council of Kenya  
Kenya Medical Supplies Agency  
Kenyatta National Hospital  
Ministry of Medical Services  
Kenya Expanded Progrm me of Immunization  
Reprentative, Rural Health Facilities  
Ministry of Public Health and Sanitation  
Government Chemist 's Department  
Moi Teaching and Referral Hospital  
Path-Kenya  
Christian Health Association of Kenya  
Office of the Chief Public Health Officer — Ministry of Public Health and Sanitation  
Office of the Chief Nursing Officer — Ministry of Medical Services  
Office of the Director of Medical Services — Ministry of Medical Services  
Kenya Medical Scientific Technical Officers Ass ociation  
Kenya Medical Re search Institute  
Kenya Bureau of Standards  — Secretariat  
 
 
 
 
 
 
 
 
 
REVISION OF KENYA STANDARDS  
 
In order to keep abreast of progress in industry, Kenya Standards shall be regularly reviewed. Suggestions 
for improvements to published standards, addressed to the Managing Director, Kenya Bureau of Standards, 
are welcome.  
 
 
 
 
 
© Kenya Bureau of Standards, 2012  
 
Copyright. Users are reminded that by virtue of Section 25 of the Copyright Act, Cap. 12 of 2001  of the Laws of Kenya, copyr ight 
subsists in all Kenya S tandards and except as provided under Section 26 of this Act, no Kenya Standard produced by Kenya Bureau of 
Standards may be reproduced, stored in a retrieval system in any form or transmitted by any means without prior permission in  writing 
from the Manag ing Director.  
 KENYA NATIONAL WORKSHOP AGREEMENT   KNWA 2409 -1: 201 8 
ICS13.030.30; 13.340.50  
© KEBS 2018 — All rights reserved    iii  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Health care wastes management commodities  
 
Part 1:  
 
Heavy duty boots — Specification  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
KENYA BUREAU OF STANDARDS (KEBS)  
 
Head Office:  P.O. Box 54974, Nairobi -00200, Tel.: (+254  020) 605490, 602350, Fax: (+25 4 020)  604031  
E-Mail: info@kebs.org,  Web:http://www.kebs.org   
 
Coast Region     Lake Region          Rift Valley Region  
P.O. Box 99376, Mombasa -80100   P.O. Box 2949, Kisumu -40100        P.O. Box 2138, Nakuru -20100  
Tel.: (+254  041) 229563, 230939/40  Tel.: ( +254 057) 23549, 22396        Tel.: (+254 051) 210553, 210555  
Fax: (+254  041) 229448    Fax: (+254 057) 21814  
 KS 2409 -1: 201 8 
 
iv  © KEBS 2018 — All rights reserved   
Foreword  
 
This Kenya National Workshop Agreement Standard has been prepared by the National Workshop 
Agreement meeting under the supervision of the Standards Projects Committee , and it is in accordance with 
the procedures of  the Kenya Bureau of Standards.  
 
During the preparation of this standard, the following documents were referred to:  
 
KS 377:1982 (Confirmed 1999): Specification for industrial safety rubber boots.  
 
KS 390:1983 (Confirmed 1999): Method of test for determination of physical properties of rubber and 
rubber products.  
 
KS 1690: Rock phosphate fertilizers – Specification.  
 
The assistance obtained from these sources is hereby acknowled ged. 
 
 
 
 
 
 
 
 
 
  
KENYA STANDARDS        KS 2409 -1: 201 8 
 
 
© KEBS 2018 — All rights reserved    1  
Health care wastes management commodities  
 
Part 1:  
 
Heavy duty boots — Specification  
 
 
1 Scope  
 
This Part 1 of this Kenya National Workshop Agreement prescibes the requirements, methods of test and 
sampling for heavy duty boots for use by  the health care waste handlers.  
 
2 Definitions  
 
For the purposes of this standard, the following definitions shall apply;  
 
2.1 
health care waste management commodities  
these are devices used to safeguard a person ag ainst hazards or injury during handling,  segregga tion, 
storing , transportation and disposal of the waste(s) that are produced in the day t o day provision of health 
care 
 
2.2  
heavy duty boots  
these are footware used for protection against hazards, injury arising from  harzodous material  wh ile 
handling medical wastes  
 
2.3 
heel 
the seat part of the shoe bottom made of leather, rubber, wood, etc., sometimes attached separately or an 
integral part of the sole  
 
2.4 
insole  
a piece of suitable material being an extract replica to the shape of the botto m of the last to which the upper, 
sole, welt, etc., are attached directly or indirectly  
 
2.5 
outsole  
the bottom component of the footwear which comes in direct contact with the ground  while walking or with 
the heel  
 
2.6 
vamp 
the section of the boot or shoe  upper which covers the foot at the area lying between the toe cap and 
quarter. It is subjected to th e maximum flexing while walking  
 
2.7 
last 
a model wood or metal shaped to resemble the foot, an d on which the footwear is made  
 
2.8 
lifts 
pieces of suitabl e material cut in the shape of the he el from which the heel is built  
 KS 2409 -1: 201 8 
 
2  © KEBS 2018 — All rights reserved  2.9 
Foxing  
 
a strip of rubber placed around in rubber canvas footwear as a sort of reinforcement conce aling the joint of 
the upper sole and the vulcanized rubber  
 
2.10 
flexibility  
the ea se with which the bottom or upper compo nents of a footwear can be bent  
 
2.11 
wellington boots  
knee -high boots with varying width of sole having various designs  of cleats to minimize slipping  
 
3 Requirements  
 
3.1 Heavy duty boots  
 
3.1.1  Shape and design  
 
3.1.1.1   The boots shall be made to approximate the pattern, shape and design shown in Figure 1.  
 
3.1.1.2  The boots shall be in sizes 5 to 11.  
 
3.1.1.3  The minimum height of the boot, when measured on the inside at the back of the boot from the insole 
to the  top (see Figure 1), shall be made as given  in Table 1.  
 
Table 1 — Height of the knee boots, millimet res, minimum  
 
 Men’s  Women’s  
Half knee  190 190 
Short knee  270 267 
Knee 355 305 
 
3.1.2   Materials  
 
3.1.2.1   Upper part that is, intermediate foot vamp, anklet, outside counter and leg shall be of rubber or 
polyurethane or an equivalent materia, conforming to the physical requirements given in Table 2 with fabric 
lining as backing material.  
 
Table 2 —  Physical requirements of rubber  
 
Sl no Parameter  Requi rements  Test method  
i) Hardness (IRHD)  85-98 KS 390a 
ii) Sp. gravity, max. 1.55 " 
iii) Tensil Strength, min.  (Mpa)  5.5 " 
iv) Elongation at break  
a)  before ageing, max.  
b)  after ageing   
120 
70-100 " 
v) Compression set, max. 25 KS 1620b 
vi) Split t est strength, (N), min. 45 " 
vii) Abrasion resistance (mm3), max.  150 KS 390  
a Methods of test for rubber boots.  
b Specification for bathroom slippers.  
 
 
3.1.2. 2  The foot lining shall be of suitable fabric material conf orming to requirements of KS 377, 
Specification for industrial and safety rubber knee bolts . 
 KS 2409 -1: 201 8 
 
© KEBS 2012  — All rights reserved    3 3.1.2. 3  Soles shall be made of polyurethane or nitrile rubber or suitable material conformi ng to the 
requirements of KS 3911) 
. 
3.1.2.4   The insole cover shall be made of suitable fabric materia l. 
 
3.1.3   Weathering test 
 
All rubber components shall be capable of withstanding ageing in an air -oven at a temperature of 100  °C ± 
1 °C for a period of 24 h according to the procedure given in KS 390, without developing any brittleness or 
tackiness.  
 
 
 
 
 
Figure 1 — Knee boots  
 
 
 
                                                           
1) Specification for general purpose rubber knee boots for adults.  KS 2409 -1: 201 8 
 
4  © KEBS 2018 — All rights reserved  3.1.4   Leakage test 
 
On immersion in water to a depth of not less 25 cm for 4 h, boo ts shall show no leakage in the form of damp 
patches on the inside surface.  
 
3.1.5  Dimension  
 
3.1.5.1   The height of the boot shall be 30 0mm (12”) high . 
 
3.1.5.2   The minimum thickness (rubber  and fabric) of the boot shall be 2.9 mm ± 0.2 mm when measured 
using a thickness tester machine , and five different readings from five different positions are taken . 
 
3.1.6   Finish  
 
3.1.6.1   The cover of the insole shall be properly adhered.  
 
3.1.6.2   All componenet of the boots shall be properly and uniformly finished.  
 
3.1.6.3   Boots shall be packed in a suitable protective manner.  
 
4 Packaging and labe lling 
 
4.1 Packaging  
 
4.1.1  A pair boots shall be pa ckaged in materials that are water proof and durable . 
 
4.1.2   Each pair shall be packaged in a strapped bag.  
 
4.2 Labe lling 
 
4.2.1  Labe lling should be in English or Kiswahili language.  
 
4.2.2   The size of the boot shall be legibly and Indelibly marked on  the inside of the leg at the top. The 
manufacturer’s name or  registered trade mark, if any, shall be stamped legibly on the inside of the leg at the 
top. 
 
4.2.3   Each outer package shall be clearly marked with the name of the item . 
 
4.2.4   The size of th e boot shall be clearly marked on the shoe sole, in the inner sole of the shoe, on the 
product pack and the outer package.  
 
5  Sampling  
 
To test for the compliance of the boots to the requirements of this stancdard, samples shall be taken at 
random. For ca rrying out the relevant test, one unused sample type, and made from similar material shall be 
taken per test required.